618302020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4416443}}^1$

素因数の和:4416459

約数の個数: 24

約数和(自身を含む): 1483925184

約数和(自身を除く): 865623164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4416443, 8832886, 17665772, 22082215, 30915101, 44164430, 61830202, 88328860, 123660404, 154575505, 309151010, 618302020]

約数ペア:

[(1, 618302020), (2, 309151010), (4, 154575505), (5, 123660404), (7, 88328860), (10, 61830202), (14, 44164430), (20, 30915101), (28, 22082215), (35, 17665772), (70, 8832886), (140, 4416443)]