68980625

素因数分解:

$5^4\times 7^1\times {\mathrm{15767}}^1$

素因数の和:15794

約数の個数: 20

約数和(自身を含む): 98518464

約数和(自身を除く): 29537839

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 15767, 78835, 110369, 394175, 551845, 1970875, 2759225, 9854375, 13796125, 68980625]

約数ペア:

[(1, 68980625), (5, 13796125), (7, 9854375), (25, 2759225), (35, 1970875), (125, 551845), (175, 394175), (625, 110369), (875, 78835), (4375, 15767)]