74485940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{47143}}^1$

素因数の和:47231

約数の個数: 24

約数和(自身を含む): 158403840

約数和(自身を除く): 83917900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 47143, 94286, 188572, 235715, 471430, 942860, 3724297, 7448594, 14897188, 18621485, 37242970, 74485940]

約数ペア:

[(1, 74485940), (2, 37242970), (4, 18621485), (5, 14897188), (10, 7448594), (20, 3724297), (79, 942860), (158, 471430), (316, 235715), (395, 188572), (790, 94286), (1580, 47143)]