102990860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{735649}}^1$

素因数の和:735665

約数の個数: 24

約数和(自身を含む): 247178400

約数和(自身を除く): 144187540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 735649, 1471298, 2942596, 3678245, 5149543, 7356490, 10299086, 14712980, 20598172, 25747715, 51495430, 102990860]

約数ペア:

[(1, 102990860), (2, 51495430), (4, 25747715), (5, 20598172), (7, 14712980), (10, 10299086), (14, 7356490), (20, 5149543), (28, 3678245), (35, 2942596), (70, 1471298), (140, 735649)]