210496420

素因数分解:

$2^2\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{4129}}^1$

素因数の和:6687

約数の個数: 24

約数和(自身を含む): 442323000

約数和(自身を除く): 231826580

約数列:

[1, 2, 4, 5, 10, 20, 2549, 4129, 5098, 8258, 10196, 12745, 16516, 20645, 25490, 41290, 50980, 82580, 10524821, 21049642, 42099284, 52624105, 105248210, 210496420]

約数ペア:

[(1, 210496420), (2, 105248210), (4, 52624105), (5, 42099284), (10, 21049642), (20, 10524821), (2549, 82580), (4129, 50980), (5098, 41290), (8258, 25490), (10196, 20645), (12745, 16516)]