156912311875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{787021}}^1$

素因数の和:787081

約数の個数: 40

約数和(自身を含む): 221279105520

約数和(自身を除く): 64366793645

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 625, 725, 1375, 1595, 3625, 6875, 7975, 18125, 39875, 199375, 787021, 3935105, 8657231, 19675525, 22823609, 43286155, 98377625, 114118045, 216430775, 251059699, 491888125, 570590225, 1082153875, 1255298495, 2852951125, 5410769375, 6276492475, 14264755625, 31382462375, 156912311875]

約数ペア:

[(1, 156912311875), (5, 31382462375), (11, 14264755625), (25, 6276492475), (29, 5410769375), (55, 2852951125), (125, 1255298495), (145, 1082153875), (275, 570590225), (319, 491888125), (625, 251059699), (725, 216430775), (1375, 114118045), (1595, 98377625), (3625, 43286155), (6875, 22823609), (7975, 19675525), (18125, 8657231), (39875, 3935105), (199375, 787021)]