90423700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{8779}}^1$

素因数の和:8896

約数の個数: 36

約数和(自身を含む): 198147040

約数和(自身を除く): 107723340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 8779, 10300, 17558, 35116, 43895, 87790, 175580, 219475, 438950, 877900, 904237, 1808474, 3616948, 4521185, 9042370, 18084740, 22605925, 45211850, 90423700]

約数ペア:

[(1, 90423700), (2, 45211850), (4, 22605925), (5, 18084740), (10, 9042370), (20, 4521185), (25, 3616948), (50, 1808474), (100, 904237), (103, 877900), (206, 438950), (412, 219475), (515, 175580), (1030, 87790), (2060, 43895), (2575, 35116), (5150, 17558), (8779, 10300)]