19902050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 42800832

約数和(自身を除く): 22898782

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 101, 175, 202, 350, 505, 563, 707, 1010, 1126, 1414, 2525, 2815, 3535, 3941, 5050, 5630, 7070, 7882, 14075, 17675, 19705, 28150, 35350, 39410, 56863, 98525, 113726, 197050, 284315, 398041, 568630, 796082, 1421575, 1990205, 2843150, 3980410, 9951025, 19902050]

約数ペア:

[(1, 19902050), (2, 9951025), (5, 3980410), (7, 2843150), (10, 1990205), (14, 1421575), (25, 796082), (35, 568630), (50, 398041), (70, 284315), (101, 197050), (175, 113726), (202, 98525), (350, 56863), (505, 39410), (563, 35350), (707, 28150), (1010, 19705), (1126, 17675), (1414, 14075), (2525, 7882), (2815, 7070), (3535, 5630), (3941, 5050)]