31000180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 69930000

約数和(自身を除く): 38929820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1249, 1460, 2482, 2498, 4964, 4996, 6205, 6245, 12410, 12490, 21233, 24820, 24980, 42466, 84932, 91177, 106165, 182354, 212330, 364708, 424660, 455885, 911770, 1550009, 1823540, 3100018, 6200036, 7750045, 15500090, 31000180]

約数ペア:

[(1, 31000180), (2, 15500090), (4, 7750045), (5, 6200036), (10, 3100018), (17, 1823540), (20, 1550009), (34, 911770), (68, 455885), (73, 424660), (85, 364708), (146, 212330), (170, 182354), (292, 106165), (340, 91177), (365, 84932), (730, 42466), (1241, 24980), (1249, 24820), (1460, 21233), (2482, 12490), (2498, 12410), (4964, 6245), (4996, 6205)]