513940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 1233792

約数和(自身を除く): 719852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3671, 7342, 14684, 18355, 25697, 36710, 51394, 73420, 102788, 128485, 256970, 513940]

約数ペア:

[(1, 513940), (2, 256970), (4, 128485), (5, 102788), (7, 73420), (10, 51394), (14, 36710), (20, 25697), (28, 18355), (35, 14684), (70, 7342), (140, 3671)]