77716460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204517}}^1$

素因数の和:204545

約数の個数: 24

約数和(自身を含む): 171795120

約数和(自身を除く): 94078660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 204517, 409034, 818068, 1022585, 2045170, 3885823, 4090340, 7771646, 15543292, 19429115, 38858230, 77716460]

約数ペア:

[(1, 77716460), (2, 38858230), (4, 19429115), (5, 15543292), (10, 7771646), (19, 4090340), (20, 3885823), (38, 2045170), (76, 1022585), (95, 818068), (190, 409034), (380, 204517)]