30311875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4440

約数の個数: 20

約数和(自身を含む): 41330520

約数和(自身を除く): 11018645

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4409, 6875, 22045, 48499, 110225, 242495, 551125, 1212475, 2755625, 6062375, 30311875]

約数ペア:

[(1, 30311875), (5, 6062375), (11, 2755625), (25, 1212475), (55, 551125), (125, 242495), (275, 110225), (625, 48499), (1375, 22045), (4409, 6875)]