631760

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 1506600

約数和(自身を除く): 874840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 149, 212, 265, 298, 424, 530, 596, 745, 848, 1060, 1192, 1490, 2120, 2384, 2980, 4240, 5960, 7897, 11920, 15794, 31588, 39485, 63176, 78970, 126352, 157940, 315880, 631760]

約数ペア:

[(1, 631760), (2, 315880), (4, 157940), (5, 126352), (8, 78970), (10, 63176), (16, 39485), (20, 31588), (40, 15794), (53, 11920), (80, 7897), (106, 5960), (149, 4240), (212, 2980), (265, 2384), (298, 2120), (424, 1490), (530, 1192), (596, 1060), (745, 848)]