28289500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 35658020

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1951, 2900, 3625, 3902, 7250, 7804, 9755, 14500, 19510, 39020, 48775, 56579, 97550, 113158, 195100, 226316, 243875, 282895, 487750, 565790, 975500, 1131580, 1414475, 2828950, 5657900, 7072375, 14144750, 28289500]

約数ペア:

[(1, 28289500), (2, 14144750), (4, 7072375), (5, 5657900), (10, 2828950), (20, 1414475), (25, 1131580), (29, 975500), (50, 565790), (58, 487750), (100, 282895), (116, 243875), (125, 226316), (145, 195100), (250, 113158), (290, 97550), (500, 56579), (580, 48775), (725, 39020), (1450, 19510), (1951, 14500), (2900, 9755), (3625, 7804), (3902, 7250)]