201520700

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{4549}}^1$

素因数の和:5006

約数の個数: 36

約数和(自身を含む): 438383400

約数和(自身を除く): 236862700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 886, 1772, 2215, 4430, 4549, 8860, 9098, 11075, 18196, 22150, 22745, 44300, 45490, 90980, 113725, 227450, 454900, 2015207, 4030414, 8060828, 10076035, 20152070, 40304140, 50380175, 100760350, 201520700]

約数ペア:

[(1, 201520700), (2, 100760350), (4, 50380175), (5, 40304140), (10, 20152070), (20, 10076035), (25, 8060828), (50, 4030414), (100, 2015207), (443, 454900), (886, 227450), (1772, 113725), (2215, 90980), (4430, 45490), (4549, 44300), (8860, 22745), (9098, 22150), (11075, 18196)]