68679860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47041}}^1$

素因数の和:47123

約数の個数: 24

約数和(自身を含む): 146206536

約数和(自身を除く): 77526676

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 47041, 94082, 188164, 235205, 470410, 940820, 3433993, 6867986, 13735972, 17169965, 34339930, 68679860]

約数ペア:

[(1, 68679860), (2, 34339930), (4, 17169965), (5, 13735972), (10, 6867986), (20, 3433993), (73, 940820), (146, 470410), (292, 235205), (365, 188164), (730, 94082), (1460, 47041)]