247489140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4124819}}^1$

素因数の和:4124831

約数の個数: 24

約数和(自身を含む): 692969760

約数和(自身を除く): 445480620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4124819, 8249638, 12374457, 16499276, 20624095, 24748914, 41248190, 49497828, 61872285, 82496380, 123744570, 247489140]

約数ペア:

[(1, 247489140), (2, 123744570), (3, 82496380), (4, 61872285), (5, 49497828), (6, 41248190), (10, 24748914), (12, 20624095), (15, 16499276), (20, 12374457), (30, 8249638), (60, 4124819)]