445555890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 320

約数和(自身を含む): 1448979840

約数和(自身を除く): 1003423950

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 19, 26, 27, 30, 34, 38, 39, 45, 51, 54, 57, 65, 78, 81, 85, 90, 95, 102, 114, 117, 130, 131, 135, 153, 162, 170, 171, 190, 195, 221, 234, 247, 255, 262, 270, 285, 306, 323, 342, 351, 390, 393, 405, 442, 459, 494, 510, 513, 570, 585, 646, 655, 663, 702, 741, 765, 786, 810, 855, 918, 969, 1026, 1053, 1105, 1170, 1179, 1235, 1310, 1326, 1377, 1482, 1530, 1539, 1615, 1703, 1710, 1755, 1938, 1965, 1989, 2106, 2210, 2223, 2227, 2295, 2358, 2470, 2489, 2565, 2754, 2907, 3078, 3230, 3315, 3406, 3510, 3537, 3705, 3930, 3978, 4199, 4446, 4454, 4590, 4845, 4978, 5109, 5130, 5265, 5814, 5895, 5967, 6630, 6669, 6681, 6885, 7074, 7410, 7467, 7695, 8398, 8515, 8721, 9690, 9945, 10218, 10530, 10611, 11115, 11135, 11790, 11934, 12445, 12597, 13338, 13362, 13770, 14535, 14934, 15327, 15390, 17030, 17442, 17685, 17901, 19890, 20007, 20043, 20995, 21222, 22230, 22270, 22401, 24890, 25194, 25545, 26163, 28951, 29070, 29835, 30654, 32357, 33345, 33405, 35370, 35802, 37335, 37791, 40014, 40086, 41990, 42313, 43605, 44802, 45981, 51090, 52326, 53055, 57902, 59670, 60129, 62985, 64714, 66690, 66810, 67203, 74670, 75582, 76635, 84626, 86853, 87210, 89505, 91962, 97071, 100035, 100215, 106110, 112005, 113373, 120258, 125970, 126939, 130815, 134406, 137943, 144755, 153270, 161785, 173706, 179010, 180387, 188955, 194142, 200070, 200430, 201609, 211565, 224010, 226746, 229905, 253878, 260559, 261630, 275886, 289510, 291213, 300645, 323570, 336015, 340119, 360774, 377910, 380817, 403218, 423130, 434265, 459810, 485355, 521118, 550069, 566865, 582426, 601290, 634695, 672030, 680238, 689715, 761634, 781677, 868530, 873639, 901935, 970710, 1008045, 1100138, 1133730, 1142451, 1269390, 1302795, 1379430, 1456065, 1563354, 1650207, 1700595, 1747278, 1803870, 1904085, 2016090, 2284902, 2345031, 2605590, 2620917, 2750345, 2912130, 3300414, 3401190, 3427353, 3808170, 3908385, 4368195, 4690062, 4950621, 5241834, 5500690, 5712255, 6854706, 7816770, 8251035, 8736390, 9901242, 11424510, 11725155, 13104585, 14851863, 16502070, 17136765, 23450310, 24753105, 26209170, 29703726, 34273530, 44555589, 49506210, 74259315, 89111178, 148518630, 222777945, 445555890]

約数ペア:

[(1, 445555890), (2, 222777945), (3, 148518630), (5, 89111178), (6, 74259315), (9, 49506210), (10, 44555589), (13, 34273530), (15, 29703726), (17, 26209170), (18, 24753105), (19, 23450310), (26, 17136765), (27, 16502070), (30, 14851863), (34, 13104585), (38, 11725155), (39, 11424510), (45, 9901242), (51, 8736390), (54, 8251035), (57, 7816770), (65, 6854706), (78, 5712255), (81, 5500690), (85, 5241834), (90, 4950621), (95, 4690062), (102, 4368195), (114, 3908385), (117, 3808170), (130, 3427353), (131, 3401190), (135, 3300414), (153, 2912130), (162, 2750345), (170, 2620917), (171, 2605590), (190, 2345031), (195, 2284902), (221, 2016090), (234, 1904085), (247, 1803870), (255, 1747278), (262, 1700595), (270, 1650207), (285, 1563354), (306, 1456065), (323, 1379430), (342, 1302795), (351, 1269390), (390, 1142451), (393, 1133730), (405, 1100138), (442, 1008045), (459, 970710), (494, 901935), (510, 873639), (513, 868530), (570, 781677), (585, 761634), (646, 689715), (655, 680238), (663, 672030), (702, 634695), (741, 601290), (765, 582426), (786, 566865), (810, 550069), (855, 521118), (918, 485355), (969, 459810), (1026, 434265), (1053, 423130), (1105, 403218), (1170, 380817), (1179, 377910), (1235, 360774), (1310, 340119), (1326, 336015), (1377, 323570), (1482, 300645), (1530, 291213), (1539, 289510), (1615, 275886), (1703, 261630), (1710, 260559), (1755, 253878), (1938, 229905), (1965, 226746), (1989, 224010), (2106, 211565), (2210, 201609), (2223, 200430), (2227, 200070), (2295, 194142), (2358, 188955), (2470, 180387), (2489, 179010), (2565, 173706), (2754, 161785), (2907, 153270), (3078, 144755), (3230, 137943), (3315, 134406), (3406, 130815), (3510, 126939), (3537, 125970), (3705, 120258), (3930, 113373), (3978, 112005), (4199, 106110), (4446, 100215), (4454, 100035), (4590, 97071), (4845, 91962), (4978, 89505), (5109, 87210), (5130, 86853), (5265, 84626), (5814, 76635), (5895, 75582), (5967, 74670), (6630, 67203), (6669, 66810), (6681, 66690), (6885, 64714), (7074, 62985), (7410, 60129), (7467, 59670), (7695, 57902), (8398, 53055), (8515, 52326), (8721, 51090), (9690, 45981), (9945, 44802), (10218, 43605), (10530, 42313), (10611, 41990), (11115, 40086), (11135, 40014), (11790, 37791), (11934, 37335), (12445, 35802), (12597, 35370), (13338, 33405), (13362, 33345), (13770, 32357), (14535, 30654), (14934, 29835), (15327, 29070), (15390, 28951), (17030, 26163), (17442, 25545), (17685, 25194), (17901, 24890), (19890, 22401), (20007, 22270), (20043, 22230), (20995, 21222)]