77747620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204599}}^1$

素因数の和:204627

約数の個数: 24

約数和(自身を含む): 171864000

約数和(自身を除く): 94116380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 204599, 409198, 818396, 1022995, 2045990, 3887381, 4091980, 7774762, 15549524, 19436905, 38873810, 77747620]

約数ペア:

[(1, 77747620), (2, 38873810), (4, 19436905), (5, 15549524), (10, 7774762), (19, 4091980), (20, 3887381), (38, 2045990), (76, 1022995), (95, 818396), (190, 409198), (380, 204599)]