658420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4703}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 1580544

約数和(自身を除く): 922124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4703, 9406, 18812, 23515, 32921, 47030, 65842, 94060, 131684, 164605, 329210, 658420]

約数ペア:

[(1, 658420), (2, 329210), (4, 164605), (5, 131684), (7, 94060), (10, 65842), (14, 47030), (20, 32921), (28, 23515), (35, 18812), (70, 9406), (140, 4703)]