225537340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1610981}}^1$

素因数の和:1610997

約数の個数: 24

約数和(自身を含む): 541289952

約数和(自身を除く): 315752612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1610981, 3221962, 6443924, 8054905, 11276867, 16109810, 22553734, 32219620, 45107468, 56384335, 112768670, 225537340]

約数ペア:

[(1, 225537340), (2, 112768670), (4, 56384335), (5, 45107468), (7, 32219620), (10, 22553734), (14, 16109810), (20, 11276867), (28, 8054905), (35, 6443924), (70, 3221962), (140, 1610981)]