31448980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5441}}^1$

素因数の和:5484

約数の個数: 36

約数和(自身を含む): 70169148

約数和(自身を除く): 38720168

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5441, 5780, 10882, 21764, 27205, 54410, 92497, 108820, 184994, 369988, 462485, 924970, 1572449, 1849940, 3144898, 6289796, 7862245, 15724490, 31448980]

約数ペア:

[(1, 31448980), (2, 15724490), (4, 7862245), (5, 6289796), (10, 3144898), (17, 1849940), (20, 1572449), (34, 924970), (68, 462485), (85, 369988), (170, 184994), (289, 108820), (340, 92497), (578, 54410), (1156, 27205), (1445, 21764), (2890, 10882), (5441, 5780)]