139177960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{119981}}^1$

素因数の和:120021

約数の個数: 32

約数和(自身を含む): 323951400

約数和(自身を除く): 184773440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 119981, 239962, 479924, 599905, 959848, 1199810, 2399620, 3479449, 4799240, 6958898, 13917796, 17397245, 27835592, 34794490, 69588980, 139177960]

約数ペア:

[(1, 139177960), (2, 69588980), (4, 34794490), (5, 27835592), (8, 17397245), (10, 13917796), (20, 6958898), (29, 4799240), (40, 3479449), (58, 2399620), (116, 1199810), (145, 959848), (232, 599905), (290, 479924), (580, 239962), (1160, 119981)]