28380550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{4691}}^1$

素因数の和:4725

約数の個数: 36

約数和(自身を含む): 58035348

約数和(自身を除く): 29654798

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 4691, 6050, 9382, 23455, 46910, 51601, 103202, 117275, 234550, 258005, 516010, 567611, 1135222, 1290025, 2580050, 2838055, 5676110, 14190275, 28380550]

約数ペア:

[(1, 28380550), (2, 14190275), (5, 5676110), (10, 2838055), (11, 2580050), (22, 1290025), (25, 1135222), (50, 567611), (55, 516010), (110, 258005), (121, 234550), (242, 117275), (275, 103202), (550, 51601), (605, 46910), (1210, 23455), (3025, 9382), (4691, 6050)]