2177922980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3512779}}^1$

素因数の和:3512819

約数の個数: 24

約数和(自身を含む): 4721176320

約数和(自身を除く): 2543253340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3512779, 7025558, 14051116, 17563895, 35127790, 70255580, 108896149, 217792298, 435584596, 544480745, 1088961490, 2177922980]

約数ペア:

[(1, 2177922980), (2, 1088961490), (4, 544480745), (5, 435584596), (10, 217792298), (20, 108896149), (31, 70255580), (62, 35127790), (124, 17563895), (155, 14051116), (310, 7025558), (620, 3512779)]