71761340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512581}}^1$

素因数の和:512597

約数の個数: 24

約数和(自身を含む): 172227552

約数和(自身を除く): 100466212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512581, 1025162, 2050324, 2562905, 3588067, 5125810, 7176134, 10251620, 14352268, 17940335, 35880670, 71761340]

約数ペア:

[(1, 71761340), (2, 35880670), (4, 17940335), (5, 14352268), (7, 10251620), (10, 7176134), (14, 5125810), (20, 3588067), (28, 2562905), (35, 2050324), (70, 1025162), (140, 512581)]