1296757220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{310229}}^1$

素因数の和:310268

約数の個数: 48

約数和(自身を含む): 3127118400

約数和(自身を除く): 1830361180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 310229, 620458, 1240916, 1551145, 3102290, 3412519, 5894351, 6204580, 6825038, 11788702, 13650076, 17062595, 23577404, 29471755, 34125190, 58943510, 64837861, 68250380, 117887020, 129675722, 259351444, 324189305, 648378610, 1296757220]

約数ペア:

[(1, 1296757220), (2, 648378610), (4, 324189305), (5, 259351444), (10, 129675722), (11, 117887020), (19, 68250380), (20, 64837861), (22, 58943510), (38, 34125190), (44, 29471755), (55, 23577404), (76, 17062595), (95, 13650076), (110, 11788702), (190, 6825038), (209, 6204580), (220, 5894351), (380, 3412519), (418, 3102290), (836, 1551145), (1045, 1240916), (2090, 620458), (4180, 310229)]