491449140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 384

約数和(自身を含む): 1921489920

約数和(自身を除く): 1430040780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 73, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 137, 140, 146, 156, 180, 182, 189, 195, 210, 219, 234, 252, 260, 270, 273, 274, 292, 315, 351, 364, 365, 378, 390, 411, 420, 438, 455, 468, 511, 540, 546, 548, 585, 630, 657, 685, 702, 730, 756, 780, 819, 822, 876, 910, 945, 949, 959, 1022, 1092, 1095, 1170, 1233, 1260, 1314, 1365, 1370, 1404, 1460, 1533, 1638, 1644, 1755, 1781, 1820, 1890, 1898, 1918, 1971, 2044, 2055, 2190, 2340, 2457, 2466, 2555, 2628, 2730, 2740, 2847, 2877, 3066, 3276, 3285, 3510, 3562, 3699, 3780, 3796, 3836, 3942, 4095, 4110, 4380, 4599, 4745, 4795, 4914, 4932, 5110, 5343, 5460, 5694, 5754, 6132, 6165, 6570, 6643, 7020, 7124, 7398, 7665, 7884, 8190, 8220, 8541, 8631, 8905, 9198, 9490, 9590, 9828, 9855, 10001, 10220, 10686, 11388, 11508, 12285, 12330, 12467, 13140, 13286, 13797, 14235, 14385, 14796, 15330, 16029, 16380, 17082, 17262, 17810, 18396, 18495, 18980, 19180, 19710, 19929, 20002, 21372, 22995, 24570, 24660, 24934, 25623, 25893, 26572, 26715, 27594, 28470, 28770, 30003, 30660, 32058, 33215, 34164, 34524, 35620, 36990, 37401, 39420, 39858, 40004, 42705, 43155, 45990, 48087, 49140, 49868, 50005, 51246, 51786, 53430, 55188, 56940, 57540, 59787, 60006, 62335, 64116, 66430, 68985, 70007, 73980, 74802, 79716, 80145, 85410, 86310, 90009, 91980, 96174, 99645, 100010, 102492, 103572, 106860, 112203, 119574, 120012, 124670, 128115, 129465, 130013, 132860, 137970, 140014, 149604, 150015, 160290, 170820, 172620, 179361, 180018, 187005, 192348, 199290, 200020, 210021, 224406, 239148, 240435, 249340, 256230, 258930, 260026, 270027, 275940, 280028, 298935, 300030, 320580, 336609, 350035, 358722, 360036, 374010, 390039, 398580, 420042, 448812, 450045, 480870, 512460, 517860, 520052, 540054, 561015, 597870, 600060, 630063, 650065, 673218, 700070, 717444, 748020, 780078, 840084, 896805, 900090, 910091, 961740, 1050105, 1080108, 1122030, 1170117, 1195740, 1260126, 1300130, 1346436, 1350135, 1400140, 1560156, 1683045, 1793610, 1800180, 1820182, 1890189, 1950195, 2100210, 2244060, 2340234, 2520252, 2600260, 2700270, 2730273, 3150315, 3366090, 3510351, 3587220, 3640364, 3780378, 3900390, 4200420, 4550455, 4680468, 5400540, 5460546, 5850585, 6300630, 6732180, 7020702, 7560756, 7800780, 8190819, 9100910, 9450945, 10921092, 11701170, 12601260, 13651365, 14041404, 16381638, 17551755, 18201820, 18901890, 23402340, 24572457, 27302730, 32763276, 35103510, 37803780, 40954095, 49144914, 54605460, 70207020, 81908190, 98289828, 122862285, 163816380, 245724570, 491449140]

約数ペア:

[(1, 491449140), (2, 245724570), (3, 163816380), (4, 122862285), (5, 98289828), (6, 81908190), (7, 70207020), (9, 54605460), (10, 49144914), (12, 40954095), (13, 37803780), (14, 35103510), (15, 32763276), (18, 27302730), (20, 24572457), (21, 23402340), (26, 18901890), (27, 18201820), (28, 17551755), (30, 16381638), (35, 14041404), (36, 13651365), (39, 12601260), (42, 11701170), (45, 10921092), (52, 9450945), (54, 9100910), (60, 8190819), (63, 7800780), (65, 7560756), (70, 7020702), (73, 6732180), (78, 6300630), (84, 5850585), (90, 5460546), (91, 5400540), (105, 4680468), (108, 4550455), (117, 4200420), (126, 3900390), (130, 3780378), (135, 3640364), (137, 3587220), (140, 3510351), (146, 3366090), (156, 3150315), (180, 2730273), (182, 2700270), (189, 2600260), (195, 2520252), (210, 2340234), (219, 2244060), (234, 2100210), (252, 1950195), (260, 1890189), (270, 1820182), (273, 1800180), (274, 1793610), (292, 1683045), (315, 1560156), (351, 1400140), (364, 1350135), (365, 1346436), (378, 1300130), (390, 1260126), (411, 1195740), (420, 1170117), (438, 1122030), (455, 1080108), (468, 1050105), (511, 961740), (540, 910091), (546, 900090), (548, 896805), (585, 840084), (630, 780078), (657, 748020), (685, 717444), (702, 700070), (730, 673218), (756, 650065), (780, 630063), (819, 600060), (822, 597870), (876, 561015), (910, 540054), (945, 520052), (949, 517860), (959, 512460), (1022, 480870), (1092, 450045), (1095, 448812), (1170, 420042), (1233, 398580), (1260, 390039), (1314, 374010), (1365, 360036), (1370, 358722), (1404, 350035), (1460, 336609), (1533, 320580), (1638, 300030), (1644, 298935), (1755, 280028), (1781, 275940), (1820, 270027), (1890, 260026), (1898, 258930), (1918, 256230), (1971, 249340), (2044, 240435), (2055, 239148), (2190, 224406), (2340, 210021), (2457, 200020), (2466, 199290), (2555, 192348), (2628, 187005), (2730, 180018), (2740, 179361), (2847, 172620), (2877, 170820), (3066, 160290), (3276, 150015), (3285, 149604), (3510, 140014), (3562, 137970), (3699, 132860), (3780, 130013), (3796, 129465), (3836, 128115), (3942, 124670), (4095, 120012), (4110, 119574), (4380, 112203), (4599, 106860), (4745, 103572), (4795, 102492), (4914, 100010), (4932, 99645), (5110, 96174), (5343, 91980), (5460, 90009), (5694, 86310), (5754, 85410), (6132, 80145), (6165, 79716), (6570, 74802), (6643, 73980), (7020, 70007), (7124, 68985), (7398, 66430), (7665, 64116), (7884, 62335), (8190, 60006), (8220, 59787), (8541, 57540), (8631, 56940), (8905, 55188), (9198, 53430), (9490, 51786), (9590, 51246), (9828, 50005), (9855, 49868), (10001, 49140), (10220, 48087), (10686, 45990), (11388, 43155), (11508, 42705), (12285, 40004), (12330, 39858), (12467, 39420), (13140, 37401), (13286, 36990), (13797, 35620), (14235, 34524), (14385, 34164), (14796, 33215), (15330, 32058), (16029, 30660), (16380, 30003), (17082, 28770), (17262, 28470), (17810, 27594), (18396, 26715), (18495, 26572), (18980, 25893), (19180, 25623), (19710, 24934), (19929, 24660), (20002, 24570), (21372, 22995)]