28393900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9791}}^1$

素因数の和:9834

約数の個数: 36

約数和(自身を含む): 63745920

約数和(自身を除く): 35352020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 9791, 19582, 39164, 48955, 97910, 195820, 244775, 283939, 489550, 567878, 979100, 1135756, 1419695, 2839390, 5678780, 7098475, 14196950, 28393900]

約数ペア:

[(1, 28393900), (2, 14196950), (4, 7098475), (5, 5678780), (10, 2839390), (20, 1419695), (25, 1135756), (29, 979100), (50, 567878), (58, 489550), (100, 283939), (116, 244775), (145, 195820), (290, 97910), (580, 48955), (725, 39164), (1450, 19582), (2900, 9791)]