86686460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619189}}^1$

素因数の和:619205

約数の個数: 24

約数和(自身を含む): 208047840

約数和(自身を除く): 121361380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619189, 1238378, 2476756, 3095945, 4334323, 6191890, 8668646, 12383780, 17337292, 21671615, 43343230, 86686460]

約数ペア:

[(1, 86686460), (2, 43343230), (4, 21671615), (5, 17337292), (7, 12383780), (10, 8668646), (14, 6191890), (20, 4334323), (28, 3095945), (35, 2476756), (70, 1238378), (140, 619189)]