2974040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 6750000

約数和(自身を除く): 3775960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 499, 596, 745, 998, 1192, 1490, 1996, 2495, 2980, 3992, 4990, 5960, 9980, 19960, 74351, 148702, 297404, 371755, 594808, 743510, 1487020, 2974040]

約数ペア:

[(1, 2974040), (2, 1487020), (4, 743510), (5, 594808), (8, 371755), (10, 297404), (20, 148702), (40, 74351), (149, 19960), (298, 9980), (499, 5960), (596, 4990), (745, 3992), (998, 2980), (1192, 2495), (1490, 1996)]