67770620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 145248768

約数和(自身を除く): 77478148

約数列:

[1, 2, 4, 5, 10, 20, 113, 157, 191, 226, 314, 382, 452, 565, 628, 764, 785, 955, 1130, 1570, 1910, 2260, 3140, 3820, 17741, 21583, 29987, 35482, 43166, 59974, 70964, 86332, 88705, 107915, 119948, 149935, 177410, 215830, 299870, 354820, 431660, 599740, 3388531, 6777062, 13554124, 16942655, 33885310, 67770620]

約数ペア:

[(1, 67770620), (2, 33885310), (4, 16942655), (5, 13554124), (10, 6777062), (20, 3388531), (113, 599740), (157, 431660), (191, 354820), (226, 299870), (314, 215830), (382, 177410), (452, 149935), (565, 119948), (628, 107915), (764, 88705), (785, 86332), (955, 70964), (1130, 59974), (1570, 43166), (1910, 35482), (2260, 29987), (3140, 21583), (3820, 17741)]