201971780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{36457}}^1$

素因数の和:36743

約数の個数: 24

約数和(自身を含む): 425683608

約数和(自身を除く): 223711828

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 36457, 72914, 145828, 182285, 364570, 729140, 10098589, 20197178, 40394356, 50492945, 100985890, 201971780]

約数ペア:

[(1, 201971780), (2, 100985890), (4, 50492945), (5, 40394356), (10, 20197178), (20, 10098589), (277, 729140), (554, 364570), (1108, 182285), (1385, 145828), (2770, 72914), (5540, 36457)]