30889100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28081}}^1$

素因数の和:28106

約数の個数: 36

約数和(自身を含む): 73125528

約数和(自身を除く): 42236428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28081, 56162, 112324, 140405, 280810, 308891, 561620, 617782, 702025, 1235564, 1404050, 1544455, 2808100, 3088910, 6177820, 7722275, 15444550, 30889100]

約数ペア:

[(1, 30889100), (2, 15444550), (4, 7722275), (5, 6177820), (10, 3088910), (11, 2808100), (20, 1544455), (22, 1404050), (25, 1235564), (44, 702025), (50, 617782), (55, 561620), (100, 308891), (110, 280810), (220, 140405), (275, 112324), (550, 56162), (1100, 28081)]