490247940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 1750339584

約数和(自身を除く): 1260091644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 101, 105, 127, 130, 140, 147, 156, 182, 195, 196, 202, 210, 245, 254, 260, 273, 294, 303, 364, 381, 390, 404, 420, 455, 490, 505, 508, 546, 588, 606, 635, 637, 707, 735, 762, 780, 889, 910, 980, 1010, 1092, 1212, 1270, 1274, 1313, 1365, 1414, 1470, 1515, 1524, 1651, 1778, 1820, 1905, 1911, 2020, 2121, 2540, 2548, 2626, 2667, 2730, 2828, 2940, 3030, 3185, 3302, 3535, 3556, 3810, 3822, 3939, 4242, 4445, 4949, 4953, 5252, 5334, 5460, 6060, 6223, 6370, 6565, 6604, 7070, 7620, 7644, 7878, 8255, 8484, 8890, 9191, 9555, 9898, 9906, 10605, 10668, 11557, 12446, 12740, 12827, 13130, 13335, 14140, 14847, 15756, 16510, 17780, 18382, 18669, 19110, 19695, 19796, 19812, 21210, 23114, 24745, 24765, 24892, 25654, 26260, 26670, 27573, 29694, 31115, 33020, 34671, 36764, 37338, 38220, 38481, 39390, 42420, 45955, 46228, 49490, 49530, 51308, 53340, 55146, 57785, 59388, 62230, 64135, 64337, 69342, 74235, 74676, 76962, 78780, 80899, 89789, 91910, 93345, 98980, 99060, 110292, 115570, 124460, 128270, 128674, 137865, 138684, 148470, 153924, 161798, 166751, 173355, 179578, 183820, 186690, 192405, 193011, 231140, 242697, 256540, 257348, 269367, 275730, 296940, 321685, 323596, 333502, 346710, 359156, 373380, 384810, 386022, 404495, 448945, 485394, 500253, 538734, 551460, 628523, 643370, 667004, 693420, 769620, 772044, 808990, 833755, 897890, 965055, 970788, 1000506, 1077468, 1167257, 1213485, 1257046, 1286740, 1346835, 1617980, 1667510, 1795780, 1885569, 1930110, 2001012, 2334514, 2426970, 2501265, 2514092, 2693670, 3142615, 3335020, 3501771, 3771138, 3860220, 4669028, 4853940, 5002530, 5387340, 5836285, 6285230, 7003542, 7542276, 8170799, 9427845, 10005060, 11672570, 12570460, 14007084, 16341598, 17508855, 18855690, 23345140, 24512397, 32683196, 35017710, 37711380, 40853995, 49024794, 70035420, 81707990, 98049588, 122561985, 163415980, 245123970, 490247940]

約数ペア:

[(1, 490247940), (2, 245123970), (3, 163415980), (4, 122561985), (5, 98049588), (6, 81707990), (7, 70035420), (10, 49024794), (12, 40853995), (13, 37711380), (14, 35017710), (15, 32683196), (20, 24512397), (21, 23345140), (26, 18855690), (28, 17508855), (30, 16341598), (35, 14007084), (39, 12570460), (42, 11672570), (49, 10005060), (52, 9427845), (60, 8170799), (65, 7542276), (70, 7003542), (78, 6285230), (84, 5836285), (91, 5387340), (98, 5002530), (101, 4853940), (105, 4669028), (127, 3860220), (130, 3771138), (140, 3501771), (147, 3335020), (156, 3142615), (182, 2693670), (195, 2514092), (196, 2501265), (202, 2426970), (210, 2334514), (245, 2001012), (254, 1930110), (260, 1885569), (273, 1795780), (294, 1667510), (303, 1617980), (364, 1346835), (381, 1286740), (390, 1257046), (404, 1213485), (420, 1167257), (455, 1077468), (490, 1000506), (505, 970788), (508, 965055), (546, 897890), (588, 833755), (606, 808990), (635, 772044), (637, 769620), (707, 693420), (735, 667004), (762, 643370), (780, 628523), (889, 551460), (910, 538734), (980, 500253), (1010, 485394), (1092, 448945), (1212, 404495), (1270, 386022), (1274, 384810), (1313, 373380), (1365, 359156), (1414, 346710), (1470, 333502), (1515, 323596), (1524, 321685), (1651, 296940), (1778, 275730), (1820, 269367), (1905, 257348), (1911, 256540), (2020, 242697), (2121, 231140), (2540, 193011), (2548, 192405), (2626, 186690), (2667, 183820), (2730, 179578), (2828, 173355), (2940, 166751), (3030, 161798), (3185, 153924), (3302, 148470), (3535, 138684), (3556, 137865), (3810, 128674), (3822, 128270), (3939, 124460), (4242, 115570), (4445, 110292), (4949, 99060), (4953, 98980), (5252, 93345), (5334, 91910), (5460, 89789), (6060, 80899), (6223, 78780), (6370, 76962), (6565, 74676), (6604, 74235), (7070, 69342), (7620, 64337), (7644, 64135), (7878, 62230), (8255, 59388), (8484, 57785), (8890, 55146), (9191, 53340), (9555, 51308), (9898, 49530), (9906, 49490), (10605, 46228), (10668, 45955), (11557, 42420), (12446, 39390), (12740, 38481), (12827, 38220), (13130, 37338), (13335, 36764), (14140, 34671), (14847, 33020), (15756, 31115), (16510, 29694), (17780, 27573), (18382, 26670), (18669, 26260), (19110, 25654), (19695, 24892), (19796, 24765), (19812, 24745), (21210, 23114)]