251017340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1792981}}^1$

素因数の和:1792997

約数の個数: 24

約数和(自身を含む): 602441952

約数和(自身を除く): 351424612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1792981, 3585962, 7171924, 8964905, 12550867, 17929810, 25101734, 35859620, 50203468, 62754335, 125508670, 251017340]

約数ペア:

[(1, 251017340), (2, 125508670), (4, 62754335), (5, 50203468), (7, 35859620), (10, 25101734), (14, 17929810), (20, 12550867), (28, 8964905), (35, 7171924), (70, 3585962), (140, 1792981)]