285461890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3127

約数の個数: 64

約数和(自身を含む): 627056640

約数和(自身を除く): 341594750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 355, 497, 665, 710, 994, 1330, 1349, 2485, 2698, 3023, 4970, 6046, 6745, 9443, 13490, 15115, 18886, 21161, 30230, 42322, 47215, 57437, 94430, 105805, 114874, 211610, 214633, 287185, 402059, 429266, 574370, 804118, 1073165, 1502431, 2010295, 2146330, 3004862, 4020590, 4078027, 7512155, 8156054, 15024310, 20390135, 28546189, 40780270, 57092378, 142730945, 285461890]

約数ペア:

[(1, 285461890), (2, 142730945), (5, 57092378), (7, 40780270), (10, 28546189), (14, 20390135), (19, 15024310), (35, 8156054), (38, 7512155), (70, 4078027), (71, 4020590), (95, 3004862), (133, 2146330), (142, 2010295), (190, 1502431), (266, 1073165), (355, 804118), (497, 574370), (665, 429266), (710, 402059), (994, 287185), (1330, 214633), (1349, 211610), (2485, 114874), (2698, 105805), (3023, 94430), (4970, 57437), (6046, 47215), (6745, 42322), (9443, 30230), (13490, 21161), (15115, 18886)]