305431940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1388327}}^1$

素因数の和:1388347

約数の個数: 24

約数和(自身を含む): 699717312

約数和(自身を除く): 394285372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1388327, 2776654, 5553308, 6941635, 13883270, 15271597, 27766540, 30543194, 61086388, 76357985, 152715970, 305431940]

約数ペア:

[(1, 305431940), (2, 152715970), (4, 76357985), (5, 61086388), (10, 30543194), (11, 27766540), (20, 15271597), (22, 13883270), (44, 6941635), (55, 5553308), (110, 2776654), (220, 1388327)]