201551780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{66739}}^1$

素因数の和:66899

約数の個数: 24

約数和(自身を含む): 426068160

約数和(自身を除く): 224516380

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 66739, 133478, 266956, 333695, 667390, 1334780, 10077589, 20155178, 40310356, 50387945, 100775890, 201551780]

約数ペア:

[(1, 201551780), (2, 100775890), (4, 50387945), (5, 40310356), (10, 20155178), (20, 10077589), (151, 1334780), (302, 667390), (604, 333695), (755, 266956), (1510, 133478), (3020, 66739)]