90657020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{146221}}^1$

素因数の和:146261

約数の個数: 24

約数和(自身を含む): 196522368

約数和(自身を除く): 105865348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 146221, 292442, 584884, 731105, 1462210, 2924420, 4532851, 9065702, 18131404, 22664255, 45328510, 90657020]

約数ペア:

[(1, 90657020), (2, 45328510), (4, 22664255), (5, 18131404), (10, 9065702), (20, 4532851), (31, 2924420), (62, 1462210), (124, 731105), (155, 584884), (310, 292442), (620, 146221)]