285536875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 388900512

約数和(自身を除く): 103363637

約数列:

[1, 5, 13, 25, 65, 113, 125, 311, 325, 565, 625, 1469, 1555, 1625, 2825, 4043, 7345, 7775, 8125, 14125, 20215, 35143, 36725, 38875, 70625, 101075, 175715, 183625, 194375, 456859, 505375, 878575, 918125, 2284295, 2526875, 4392875, 11421475, 21964375, 57107375, 285536875]

約数ペア:

[(1, 285536875), (5, 57107375), (13, 21964375), (25, 11421475), (65, 4392875), (113, 2526875), (125, 2284295), (311, 918125), (325, 878575), (565, 505375), (625, 456859), (1469, 194375), (1555, 183625), (1625, 175715), (2825, 101075), (4043, 70625), (7345, 38875), (7775, 36725), (8125, 35143), (14125, 20215)]