313901140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2731}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 754556544

約数和(自身を除く): 440655404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1642, 2731, 3284, 4105, 5462, 5747, 8210, 10924, 11494, 13655, 16420, 19117, 22988, 27310, 28735, 38234, 54620, 57470, 76468, 95585, 114940, 191170, 382340, 2242151, 4484302, 8968604, 11210755, 15695057, 22421510, 31390114, 44843020, 62780228, 78475285, 156950570, 313901140]

約数ペア:

[(1, 313901140), (2, 156950570), (4, 78475285), (5, 62780228), (7, 44843020), (10, 31390114), (14, 22421510), (20, 15695057), (28, 11210755), (35, 8968604), (70, 4484302), (140, 2242151), (821, 382340), (1642, 191170), (2731, 114940), (3284, 95585), (4105, 76468), (5462, 57470), (5747, 54620), (8210, 38234), (10924, 28735), (11494, 27310), (13655, 22988), (16420, 19117)]