128979340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54193}}^1$

素因数の和:54226

約数の個数: 48

約数和(自身を含む): 327765312

約数和(自身を除く): 198785972

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 54193, 108386, 216772, 270965, 379351, 541930, 758702, 921281, 1083860, 1517404, 1842562, 1896755, 3685124, 3793510, 4606405, 6448967, 7587020, 9212810, 12897934, 18425620, 25795868, 32244835, 64489670, 128979340]

約数ペア:

[(1, 128979340), (2, 64489670), (4, 32244835), (5, 25795868), (7, 18425620), (10, 12897934), (14, 9212810), (17, 7587020), (20, 6448967), (28, 4606405), (34, 3793510), (35, 3685124), (68, 1896755), (70, 1842562), (85, 1517404), (119, 1083860), (140, 921281), (170, 758702), (238, 541930), (340, 379351), (476, 270965), (595, 216772), (1190, 108386), (2380, 54193)]