90019220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{61657}}^1$

素因数の和:61739

約数の個数: 24

約数和(自身を含む): 191633064

約数和(自身を除く): 101613844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 61657, 123314, 246628, 308285, 616570, 1233140, 4500961, 9001922, 18003844, 22504805, 45009610, 90019220]

約数ペア:

[(1, 90019220), (2, 45009610), (4, 22504805), (5, 18003844), (10, 9001922), (20, 4500961), (73, 1233140), (146, 616570), (292, 308285), (365, 246628), (730, 123314), (1460, 61657)]