72694940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 157604832

約数和(自身を除く): 84909892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 617, 685, 860, 1234, 1370, 2468, 2740, 3085, 5891, 6170, 11782, 12340, 23564, 26531, 29455, 53062, 58910, 84529, 106124, 117820, 132655, 169058, 265310, 338116, 422645, 530620, 845290, 1690580, 3634747, 7269494, 14538988, 18173735, 36347470, 72694940]

約数ペア:

[(1, 72694940), (2, 36347470), (4, 18173735), (5, 14538988), (10, 7269494), (20, 3634747), (43, 1690580), (86, 845290), (137, 530620), (172, 422645), (215, 338116), (274, 265310), (430, 169058), (548, 132655), (617, 117820), (685, 106124), (860, 84529), (1234, 58910), (1370, 53062), (2468, 29455), (2740, 26531), (3085, 23564), (5891, 12340), (6170, 11782)]