12878350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 25779600

約数和(自身を除く): 12901250

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 109, 139, 170, 218, 278, 425, 545, 695, 850, 1090, 1390, 1853, 2363, 2725, 3475, 3706, 4726, 5450, 6950, 9265, 11815, 15151, 18530, 23630, 30302, 46325, 59075, 75755, 92650, 118150, 151510, 257567, 378775, 515134, 757550, 1287835, 2575670, 6439175, 12878350]

約数ペア:

[(1, 12878350), (2, 6439175), (5, 2575670), (10, 1287835), (17, 757550), (25, 515134), (34, 378775), (50, 257567), (85, 151510), (109, 118150), (139, 92650), (170, 75755), (218, 59075), (278, 46325), (425, 30302), (545, 23630), (695, 18530), (850, 15151), (1090, 11815), (1390, 9265), (1853, 6950), (2363, 5450), (2725, 4726), (3475, 3706)]