77487340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553481}}^1$

素因数の和:553497

約数の個数: 24

約数和(自身を含む): 185969952

約数和(自身を除く): 108482612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553481, 1106962, 2213924, 2767405, 3874367, 5534810, 7748734, 11069620, 15497468, 19371835, 38743670, 77487340]

約数ペア:

[(1, 77487340), (2, 38743670), (4, 19371835), (5, 15497468), (7, 11069620), (10, 7748734), (14, 5534810), (20, 3874367), (28, 2767405), (35, 2213924), (70, 1106962), (140, 553481)]