28828900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9941}}^1$

素因数の和:9984

約数の個数: 36

約数和(自身を含む): 64722420

約数和(自身を除く): 35893520

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 9941, 19882, 39764, 49705, 99410, 198820, 248525, 288289, 497050, 576578, 994100, 1153156, 1441445, 2882890, 5765780, 7207225, 14414450, 28828900]

約数ペア:

[(1, 28828900), (2, 14414450), (4, 7207225), (5, 5765780), (10, 2882890), (20, 1441445), (25, 1153156), (29, 994100), (50, 576578), (58, 497050), (100, 288289), (116, 248525), (145, 198820), (290, 99410), (580, 49705), (725, 39764), (1450, 19882), (2900, 9941)]