397834360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3491}}^1$

素因数の和:3557

約数の個数: 128

約数和(自身を含む): 1146493440

約数和(自身を除く): 748659080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 740, 770, 814, 1036, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 3080, 3256, 3491, 4070, 5180, 5698, 6982, 8140, 10360, 11396, 13964, 14245, 16280, 17455, 22792, 24437, 27928, 28490, 34910, 38401, 48874, 56980, 69820, 76802, 97748, 113960, 122185, 129167, 139640, 153604, 192005, 195496, 244370, 258334, 268807, 307208, 384010, 488740, 516668, 537614, 645835, 768020, 904169, 977480, 1033336, 1075228, 1291670, 1344035, 1420837, 1536040, 1808338, 2150456, 2583340, 2688070, 2841674, 3616676, 4520845, 5166680, 5376140, 5683348, 7104185, 7233352, 9041690, 9945859, 10752280, 11366696, 14208370, 18083380, 19891718, 28416740, 36166760, 39783436, 49729295, 56833480, 79566872, 99458590, 198917180, 397834360]

約数ペア:

[(1, 397834360), (2, 198917180), (4, 99458590), (5, 79566872), (7, 56833480), (8, 49729295), (10, 39783436), (11, 36166760), (14, 28416740), (20, 19891718), (22, 18083380), (28, 14208370), (35, 11366696), (37, 10752280), (40, 9945859), (44, 9041690), (55, 7233352), (56, 7104185), (70, 5683348), (74, 5376140), (77, 5166680), (88, 4520845), (110, 3616676), (140, 2841674), (148, 2688070), (154, 2583340), (185, 2150456), (220, 1808338), (259, 1536040), (280, 1420837), (296, 1344035), (308, 1291670), (370, 1075228), (385, 1033336), (407, 977480), (440, 904169), (518, 768020), (616, 645835), (740, 537614), (770, 516668), (814, 488740), (1036, 384010), (1295, 307208), (1480, 268807), (1540, 258334), (1628, 244370), (2035, 195496), (2072, 192005), (2590, 153604), (2849, 139640), (3080, 129167), (3256, 122185), (3491, 113960), (4070, 97748), (5180, 76802), (5698, 69820), (6982, 56980), (8140, 48874), (10360, 38401), (11396, 34910), (13964, 28490), (14245, 27928), (16280, 24437), (17455, 22792)]