898481810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{20177}}^1$

素因数の和:20318

約数の個数: 32

約数和(自身を含む): 1666379952

約数和(自身を除く): 767898142

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 610, 730, 4453, 8906, 20177, 22265, 40354, 44530, 100885, 201770, 1230797, 1472921, 2461594, 2945842, 6153985, 7364605, 12307970, 14729210, 89848181, 179696362, 449240905, 898481810]

約数ペア:

[(1, 898481810), (2, 449240905), (5, 179696362), (10, 89848181), (61, 14729210), (73, 12307970), (122, 7364605), (146, 6153985), (305, 2945842), (365, 2461594), (610, 1472921), (730, 1230797), (4453, 201770), (8906, 100885), (20177, 44530), (22265, 40354)]