520625

素因数分解:

$5^4\times 7^2\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 30

約数和(自身を含む): 801306

約数和(自身を除く): 280681

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 175, 245, 425, 595, 625, 833, 875, 1225, 2125, 2975, 4165, 4375, 6125, 10625, 14875, 20825, 30625, 74375, 104125, 520625]

約数ペア:

[(1, 520625), (5, 104125), (7, 74375), (17, 30625), (25, 20825), (35, 14875), (49, 10625), (85, 6125), (119, 4375), (125, 4165), (175, 2975), (245, 2125), (425, 1225), (595, 875), (625, 833)]