489668870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{10061}}^1$

素因数の和:10256

約数の個数: 32

約数和(自身を含む): 915722496

約数和(自身を除く): 426053626

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 785, 1570, 4867, 9734, 10061, 20122, 24335, 48670, 50305, 100610, 311891, 623782, 1559455, 1579577, 3118910, 3159154, 7897885, 15795770, 48966887, 97933774, 244834435, 489668870]

約数ペア:

[(1, 489668870), (2, 244834435), (5, 97933774), (10, 48966887), (31, 15795770), (62, 7897885), (155, 3159154), (157, 3118910), (310, 1579577), (314, 1559455), (785, 623782), (1570, 311891), (4867, 100610), (9734, 50305), (10061, 48670), (20122, 24335)]