1996940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 4747680

約数和(自身を除く): 2750740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 313, 319, 580, 626, 638, 1252, 1276, 1565, 1595, 3130, 3190, 3443, 6260, 6380, 6886, 9077, 13772, 17215, 18154, 34430, 36308, 45385, 68860, 90770, 99847, 181540, 199694, 399388, 499235, 998470, 1996940]

約数ペア:

[(1, 1996940), (2, 998470), (4, 499235), (5, 399388), (10, 199694), (11, 181540), (20, 99847), (22, 90770), (29, 68860), (44, 45385), (55, 36308), (58, 34430), (110, 18154), (116, 17215), (145, 13772), (220, 9077), (290, 6886), (313, 6380), (319, 6260), (580, 3443), (626, 3190), (638, 3130), (1252, 1595), (1276, 1565)]