1743980

素因数分解:

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

素因数の和:12473

約数の個数: 24

約数和(自身を含む): 4185888

約数和(自身を除く): 2441908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12457, 24914, 49828, 62285, 87199, 124570, 174398, 249140, 348796, 435995, 871990, 1743980]

約数ペア:

[(1, 1743980), (2, 871990), (4, 435995), (5, 348796), (7, 249140), (10, 174398), (14, 124570), (20, 87199), (28, 62285), (35, 49828), (70, 24914), (140, 12457)]