30745880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69877}}^1$

素因数の和:69899

約数の個数: 32

約数和(自身を含む): 75468240

約数和(自身を除く): 44722360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69877, 139754, 279508, 349385, 559016, 698770, 768647, 1397540, 1537294, 2795080, 3074588, 3843235, 6149176, 7686470, 15372940, 30745880]

約数ペア:

[(1, 30745880), (2, 15372940), (4, 7686470), (5, 6149176), (8, 3843235), (10, 3074588), (11, 2795080), (20, 1537294), (22, 1397540), (40, 768647), (44, 698770), (55, 559016), (88, 349385), (110, 279508), (220, 139754), (440, 69877)]