245249120

素因数分解:

$2^5\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1867}}^1$

素因数の和:2703

約数の個数: 48

約数和(自身を含む): 580417488

約数和(自身を除く): 335168368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821, 1642, 1867, 3284, 3734, 4105, 6568, 7468, 8210, 9335, 13136, 14936, 16420, 18670, 26272, 29872, 32840, 37340, 59744, 65680, 74680, 131360, 149360, 298720, 1532807, 3065614, 6131228, 7664035, 12262456, 15328070, 24524912, 30656140, 49049824, 61312280, 122624560, 245249120]

約数ペア:

[(1, 245249120), (2, 122624560), (4, 61312280), (5, 49049824), (8, 30656140), (10, 24524912), (16, 15328070), (20, 12262456), (32, 7664035), (40, 6131228), (80, 3065614), (160, 1532807), (821, 298720), (1642, 149360), (1867, 131360), (3284, 74680), (3734, 65680), (4105, 59744), (6568, 37340), (7468, 32840), (8210, 29872), (9335, 26272), (13136, 18670), (14936, 16420)]