200840540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 434294784

約数和(自身を除く): 233454244

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 2111, 4222, 4757, 8444, 9514, 10555, 19028, 21110, 23785, 42220, 47570, 95140, 141437, 149881, 282874, 299762, 565748, 599524, 707185, 749405, 1414370, 1498810, 2828740, 2997620, 10042027, 20084054, 40168108, 50210135, 100420270, 200840540]

約数ペア:

[(1, 200840540), (2, 100420270), (4, 50210135), (5, 40168108), (10, 20084054), (20, 10042027), (67, 2997620), (71, 2828740), (134, 1498810), (142, 1414370), (268, 749405), (284, 707185), (335, 599524), (355, 565748), (670, 299762), (710, 282874), (1340, 149881), (1420, 141437), (2111, 95140), (4222, 47570), (4757, 42220), (8444, 23785), (9514, 21110), (10555, 19028)]