3978220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 9122400

約数和(自身を除く): 5144180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 361, 380, 551, 580, 722, 1102, 1444, 1805, 2204, 2755, 3610, 5510, 6859, 7220, 10469, 11020, 13718, 20938, 27436, 34295, 41876, 52345, 68590, 104690, 137180, 198911, 209380, 397822, 795644, 994555, 1989110, 3978220]

約数ペア:

[(1, 3978220), (2, 1989110), (4, 994555), (5, 795644), (10, 397822), (19, 209380), (20, 198911), (29, 137180), (38, 104690), (58, 68590), (76, 52345), (95, 41876), (116, 34295), (145, 27436), (190, 20938), (290, 13718), (361, 11020), (380, 10469), (551, 7220), (580, 6859), (722, 5510), (1102, 3610), (1444, 2755), (1805, 2204)]