159403940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{35111}}^1$

素因数の和:35347

約数の個数: 24

約数和(自身を含む): 336232512

約数和(自身を除く): 176828572

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 35111, 70222, 140444, 175555, 351110, 702220, 7970197, 15940394, 31880788, 39850985, 79701970, 159403940]

約数ペア:

[(1, 159403940), (2, 79701970), (4, 39850985), (5, 31880788), (10, 15940394), (20, 7970197), (227, 702220), (454, 351110), (908, 175555), (1135, 140444), (2270, 70222), (4540, 35111)]