57218420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408703}}^1$

素因数の和:408719

約数の個数: 24

約数和(自身を含む): 137324544

約数和(自身を除く): 80106124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408703, 817406, 1634812, 2043515, 2860921, 4087030, 5721842, 8174060, 11443684, 14304605, 28609210, 57218420]

約数ペア:

[(1, 57218420), (2, 28609210), (4, 14304605), (5, 11443684), (7, 8174060), (10, 5721842), (14, 4087030), (20, 2860921), (28, 2043515), (35, 1634812), (70, 817406), (140, 408703)]