2869960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 6512760

約数和(自身を除く): 3642800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 457, 628, 785, 914, 1256, 1570, 1828, 2285, 3140, 3656, 4570, 6280, 9140, 18280, 71749, 143498, 286996, 358745, 573992, 717490, 1434980, 2869960]

約数ペア:

[(1, 2869960), (2, 1434980), (4, 717490), (5, 573992), (8, 358745), (10, 286996), (20, 143498), (40, 71749), (157, 18280), (314, 9140), (457, 6280), (628, 4570), (785, 3656), (914, 3140), (1256, 2285), (1570, 1828)]