207480400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2633}}^1$

素因数の和:2848

約数の個数: 60

約数和(自身を含む): 501192252

約数和(自身を除く): 293711852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1970, 2633, 3152, 3940, 4925, 5266, 7880, 9850, 10532, 13165, 15760, 19700, 21064, 26330, 39400, 42128, 52660, 65825, 78800, 105320, 131650, 210640, 263300, 518701, 526600, 1037402, 1053200, 2074804, 2593505, 4149608, 5187010, 8299216, 10374020, 12967525, 20748040, 25935050, 41496080, 51870100, 103740200, 207480400]

約数ペア:

[(1, 207480400), (2, 103740200), (4, 51870100), (5, 41496080), (8, 25935050), (10, 20748040), (16, 12967525), (20, 10374020), (25, 8299216), (40, 5187010), (50, 4149608), (80, 2593505), (100, 2074804), (197, 1053200), (200, 1037402), (394, 526600), (400, 518701), (788, 263300), (985, 210640), (1576, 131650), (1970, 105320), (2633, 78800), (3152, 65825), (3940, 52660), (4925, 42128), (5266, 39400), (7880, 26330), (9850, 21064), (10532, 19700), (13165, 15760)]