2018092780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31741}}^1$

素因数の和:31795

約数の個数: 72

約数和(自身を含む): 4911376176

約数和(自身を除く): 2893283396

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2890, 3179, 3740, 5780, 6358, 12716, 15895, 31741, 31790, 63482, 63580, 126964, 158705, 317410, 349151, 539597, 634820, 698302, 1079194, 1396604, 1745755, 2158388, 2697985, 3491510, 5395970, 5935567, 6983020, 9173149, 10791940, 11871134, 18346298, 23742268, 29677835, 36692596, 45865745, 59355670, 91731490, 100904639, 118711340, 183462980, 201809278, 403618556, 504523195, 1009046390, 2018092780]

約数ペア:

[(1, 2018092780), (2, 1009046390), (4, 504523195), (5, 403618556), (10, 201809278), (11, 183462980), (17, 118711340), (20, 100904639), (22, 91731490), (34, 59355670), (44, 45865745), (55, 36692596), (68, 29677835), (85, 23742268), (110, 18346298), (170, 11871134), (187, 10791940), (220, 9173149), (289, 6983020), (340, 5935567), (374, 5395970), (578, 3491510), (748, 2697985), (935, 2158388), (1156, 1745755), (1445, 1396604), (1870, 1079194), (2890, 698302), (3179, 634820), (3740, 539597), (5780, 349151), (6358, 317410), (12716, 158705), (15895, 126964), (31741, 63580), (31790, 63482)]