90149140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^2\times {\mathrm{353}}^1$

素因数の和:588

約数の個数: 36

約数和(自身を含む): 191544444

約数和(自身を除く): 101395304

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 353, 452, 565, 706, 1130, 1412, 1765, 2260, 3530, 7060, 12769, 25538, 39889, 51076, 63845, 79778, 127690, 159556, 199445, 255380, 398890, 797780, 4507457, 9014914, 18029828, 22537285, 45074570, 90149140]

約数ペア:

[(1, 90149140), (2, 45074570), (4, 22537285), (5, 18029828), (10, 9014914), (20, 4507457), (113, 797780), (226, 398890), (353, 255380), (452, 199445), (565, 159556), (706, 127690), (1130, 79778), (1412, 63845), (1765, 51076), (2260, 39889), (3530, 25538), (7060, 12769)]