747689375

素因数分解:

$5^4\times {\mathrm{43}}^2\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 30

約数和(自身を含む): 958024584

約数和(自身を除く): 210335209

約数列:

[1, 5, 25, 43, 125, 215, 625, 647, 1075, 1849, 3235, 5375, 9245, 16175, 26875, 27821, 46225, 80875, 139105, 231125, 404375, 695525, 1155625, 1196303, 3477625, 5981515, 17388125, 29907575, 149537875, 747689375]

約数ペア:

[(1, 747689375), (5, 149537875), (25, 29907575), (43, 17388125), (125, 5981515), (215, 3477625), (625, 1196303), (647, 1155625), (1075, 695525), (1849, 404375), (3235, 231125), (5375, 139105), (9245, 80875), (16175, 46225), (26875, 27821)]