319049180

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{7321}}^1$

素因数の和:9509

約数の個数: 24

約数和(自身を含む): 670402320

約数和(自身を除く): 351353140

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 7321, 8716, 10895, 14642, 21790, 29284, 36605, 43580, 73210, 146420, 15952459, 31904918, 63809836, 79762295, 159524590, 319049180]

約数ペア:

[(1, 319049180), (2, 159524590), (4, 79762295), (5, 63809836), (10, 31904918), (20, 15952459), (2179, 146420), (4358, 73210), (7321, 43580), (8716, 36605), (10895, 29284), (14642, 21790)]