3487960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{12457}}^1$

素因数の和:12475

約数の個数: 32

約数和(自身を含む): 8969760

約数和(自身を除く): 5481800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 12457, 24914, 49828, 62285, 87199, 99656, 124570, 174398, 249140, 348796, 435995, 498280, 697592, 871990, 1743980, 3487960]

約数ペア:

[(1, 3487960), (2, 1743980), (4, 871990), (5, 697592), (7, 498280), (8, 435995), (10, 348796), (14, 249140), (20, 174398), (28, 124570), (35, 99656), (40, 87199), (56, 62285), (70, 49828), (140, 24914), (280, 12457)]