77977340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556981}}^1$

素因数の和:556997

約数の個数: 24

約数和(自身を含む): 187145952

約数和(自身を除く): 109168612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556981, 1113962, 2227924, 2784905, 3898867, 5569810, 7797734, 11139620, 15595468, 19494335, 38988670, 77977340]

約数ペア:

[(1, 77977340), (2, 38988670), (4, 19494335), (5, 15595468), (7, 11139620), (10, 7797734), (14, 5569810), (20, 3898867), (28, 2784905), (35, 2227924), (70, 1113962), (140, 556981)]