78553676380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206720201}}^1$

素因数の和:206720229

約数の個数: 24

約数和(自身を含む): 173644969680

約数和(自身を除く): 95091293300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 206720201, 413440402, 826880804, 1033601005, 2067202010, 3927683819, 4134404020, 7855367638, 15710735276, 19638419095, 39276838190, 78553676380]

約数ペア:

[(1, 78553676380), (2, 39276838190), (4, 19638419095), (5, 15710735276), (10, 7855367638), (19, 4134404020), (20, 3927683819), (38, 2067202010), (76, 1033601005), (95, 826880804), (190, 413440402), (380, 206720201)]