207828990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{256579}}^1$

素因数の和:256598

約数の個数: 40

約数和(自身を含む): 558831240

約数和(自身を除く): 351002250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 256579, 513158, 769737, 1282895, 1539474, 2309211, 2565790, 3848685, 4618422, 6927633, 7697370, 11546055, 13855266, 20782899, 23092110, 34638165, 41565798, 69276330, 103914495, 207828990]

約数ペア:

[(1, 207828990), (2, 103914495), (3, 69276330), (5, 41565798), (6, 34638165), (9, 23092110), (10, 20782899), (15, 13855266), (18, 11546055), (27, 7697370), (30, 6927633), (45, 4618422), (54, 3848685), (81, 2565790), (90, 2309211), (135, 1539474), (162, 1282895), (270, 769737), (405, 513158), (810, 256579)]