28567750

素因数分解:

$2^1\times 5^3\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 53820000

約数和(自身を除く): 25252250

約数列:

[1, 2, 5, 10, 25, 50, 125, 229, 250, 458, 499, 998, 1145, 2290, 2495, 4990, 5725, 11450, 12475, 24950, 28625, 57250, 62375, 114271, 124750, 228542, 571355, 1142710, 2856775, 5713550, 14283875, 28567750]

約数ペア:

[(1, 28567750), (2, 14283875), (5, 5713550), (10, 2856775), (25, 1142710), (50, 571355), (125, 228542), (229, 124750), (250, 114271), (458, 62375), (499, 57250), (998, 28625), (1145, 24950), (2290, 12475), (2495, 11450), (4990, 5725)]