28792940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4513}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 68251680

約数和(自身を除く): 39458740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4513, 6380, 9026, 18052, 22565, 45130, 49643, 90260, 99286, 130877, 198572, 248215, 261754, 496430, 523508, 654385, 992860, 1308770, 1439647, 2617540, 2879294, 5758588, 7198235, 14396470, 28792940]

約数ペア:

[(1, 28792940), (2, 14396470), (4, 7198235), (5, 5758588), (10, 2879294), (11, 2617540), (20, 1439647), (22, 1308770), (29, 992860), (44, 654385), (55, 523508), (58, 496430), (110, 261754), (116, 248215), (145, 198572), (220, 130877), (290, 99286), (319, 90260), (580, 49643), (638, 45130), (1276, 22565), (1595, 18052), (3190, 9026), (4513, 6380)]