399162830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{577}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 828990720

約数和(自身を除く): 429827890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 331, 418, 577, 662, 1045, 1154, 1655, 2090, 2885, 3310, 3641, 5770, 6289, 6347, 7282, 10963, 12578, 12694, 18205, 21926, 31445, 31735, 36410, 54815, 62890, 63470, 69179, 109630, 120593, 138358, 190987, 241186, 345895, 381974, 602965, 691790, 954935, 1205930, 1909870, 2100857, 3628753, 4201714, 7257506, 10504285, 18143765, 21008570, 36287530, 39916283, 79832566, 199581415, 399162830]

約数ペア:

[(1, 399162830), (2, 199581415), (5, 79832566), (10, 39916283), (11, 36287530), (19, 21008570), (22, 18143765), (38, 10504285), (55, 7257506), (95, 4201714), (110, 3628753), (190, 2100857), (209, 1909870), (331, 1205930), (418, 954935), (577, 691790), (662, 602965), (1045, 381974), (1154, 345895), (1655, 241186), (2090, 190987), (2885, 138358), (3310, 120593), (3641, 109630), (5770, 69179), (6289, 63470), (6347, 62890), (7282, 54815), (10963, 36410), (12578, 31735), (12694, 31445), (18205, 21926)]