680944990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7577}}^1$

素因数の和:7657

約数の個数: 64

約数和(自身を含む): 1440426240

約数和(自身を除く): 759481250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 817, 946, 1045, 1634, 2090, 2365, 4085, 4730, 7577, 8170, 8987, 15154, 17974, 37885, 44935, 75770, 83347, 89870, 143963, 166694, 287926, 325811, 416735, 651622, 719815, 833470, 1439630, 1583593, 1629055, 3167186, 3258110, 3583921, 6190409, 7167842, 7917965, 12380818, 15835930, 17919605, 30952045, 35839210, 61904090, 68094499, 136188998, 340472495, 680944990]

約数ペア:

[(1, 680944990), (2, 340472495), (5, 136188998), (10, 68094499), (11, 61904090), (19, 35839210), (22, 30952045), (38, 17919605), (43, 15835930), (55, 12380818), (86, 7917965), (95, 7167842), (110, 6190409), (190, 3583921), (209, 3258110), (215, 3167186), (418, 1629055), (430, 1583593), (473, 1439630), (817, 833470), (946, 719815), (1045, 651622), (1634, 416735), (2090, 325811), (2365, 287926), (4085, 166694), (4730, 143963), (7577, 89870), (8170, 83347), (8987, 75770), (15154, 44935), (17974, 37885)]