157217817620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{21775321}}^1$

素因数の和:21775368

約数の個数: 36

約数和(自身を含む): 348448702644

約数和(自身を除く): 191230885024

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 21775321, 43550642, 87101284, 108876605, 217753210, 413731099, 435506420, 827462198, 1654924396, 2068655495, 4137310990, 7860890881, 8274621980, 15721781762, 31443563524, 39304454405, 78608908810, 157217817620]

約数ペア:

[(1, 157217817620), (2, 78608908810), (4, 39304454405), (5, 31443563524), (10, 15721781762), (19, 8274621980), (20, 7860890881), (38, 4137310990), (76, 2068655495), (95, 1654924396), (190, 827462198), (361, 435506420), (380, 413731099), (722, 217753210), (1444, 108876605), (1805, 87101284), (3610, 43550642), (7220, 21775321)]