77960540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556861}}^1$

素因数の和:556877

約数の個数: 24

約数和(自身を含む): 187105632

約数和(自身を除く): 109145092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556861, 1113722, 2227444, 2784305, 3898027, 5568610, 7796054, 11137220, 15592108, 19490135, 38980270, 77960540]

約数ペア:

[(1, 77960540), (2, 38980270), (4, 19490135), (5, 15592108), (7, 11137220), (10, 7796054), (14, 5568610), (20, 3898027), (28, 2784305), (35, 2227444), (70, 1113722), (140, 556861)]