137535640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312581}}^1$

素因数の和:312603

約数の個数: 32

約数和(自身を含む): 337588560

約数和(自身を除く): 200052920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 312581, 625162, 1250324, 1562905, 2500648, 3125810, 3438391, 6251620, 6876782, 12503240, 13753564, 17191955, 27507128, 34383910, 68767820, 137535640]

約数ペア:

[(1, 137535640), (2, 68767820), (4, 34383910), (5, 27507128), (8, 17191955), (10, 13753564), (11, 12503240), (20, 6876782), (22, 6251620), (40, 3438391), (44, 3125810), (55, 2500648), (88, 1562905), (110, 1250324), (220, 625162), (440, 312581)]