139693240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{337}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 323912160

約数和(自身を除く): 184218920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 241, 337, 344, 430, 482, 674, 860, 964, 1205, 1348, 1685, 1720, 1928, 2410, 2696, 3370, 4820, 6740, 9640, 10363, 13480, 14491, 20726, 28982, 41452, 51815, 57964, 72455, 81217, 82904, 103630, 115928, 144910, 162434, 207260, 289820, 324868, 406085, 414520, 579640, 649736, 812170, 1624340, 3248680, 3492331, 6984662, 13969324, 17461655, 27938648, 34923310, 69846620, 139693240]

約数ペア:

[(1, 139693240), (2, 69846620), (4, 34923310), (5, 27938648), (8, 17461655), (10, 13969324), (20, 6984662), (40, 3492331), (43, 3248680), (86, 1624340), (172, 812170), (215, 649736), (241, 579640), (337, 414520), (344, 406085), (430, 324868), (482, 289820), (674, 207260), (860, 162434), (964, 144910), (1205, 115928), (1348, 103630), (1685, 82904), (1720, 81217), (1928, 72455), (2410, 57964), (2696, 51815), (3370, 41452), (4820, 28982), (6740, 20726), (9640, 14491), (10363, 13480)]