289330625

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{7589}}^1$

素因数の和:7670

約数の個数: 20

約数和(自身を含む): 367522980

約数和(自身を除く): 78192355

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 7589, 7625, 37945, 38125, 189725, 462929, 948625, 2314645, 4743125, 11573225, 57866125, 289330625]

約数ペア:

[(1, 289330625), (5, 57866125), (25, 11573225), (61, 4743125), (125, 2314645), (305, 948625), (625, 462929), (1525, 189725), (7589, 38125), (7625, 37945)]