71341340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509581}}^1$

素因数の和:509597

約数の個数: 24

約数和(自身を含む): 171219552

約数和(自身を除く): 99878212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509581, 1019162, 2038324, 2547905, 3567067, 5095810, 7134134, 10191620, 14268268, 17835335, 35670670, 71341340]

約数ペア:

[(1, 71341340), (2, 35670670), (4, 17835335), (5, 14268268), (7, 10191620), (10, 7134134), (14, 5095810), (20, 3567067), (28, 2547905), (35, 2038324), (70, 1019162), (140, 509581)]