315880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 729000

約数和(自身を除く): 413120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 149, 212, 265, 298, 424, 530, 596, 745, 1060, 1192, 1490, 2120, 2980, 5960, 7897, 15794, 31588, 39485, 63176, 78970, 157940, 315880]

約数ペア:

[(1, 315880), (2, 157940), (4, 78970), (5, 63176), (8, 39485), (10, 31588), (20, 15794), (40, 7897), (53, 5960), (106, 2980), (149, 2120), (212, 1490), (265, 1192), (298, 1060), (424, 745), (530, 596)]