400824190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{162277}}^1$

素因数の和:162316

約数の個数: 32

約数和(自身を含む): 817881120

約数和(自身を除く): 417056930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 162277, 324554, 811385, 1622770, 2109601, 3083263, 4219202, 6166526, 10548005, 15416315, 21096010, 30832630, 40082419, 80164838, 200412095, 400824190]

約数ペア:

[(1, 400824190), (2, 200412095), (5, 80164838), (10, 40082419), (13, 30832630), (19, 21096010), (26, 15416315), (38, 10548005), (65, 6166526), (95, 4219202), (130, 3083263), (190, 2109601), (247, 1622770), (494, 811385), (1235, 324554), (2470, 162277)]