1248500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 2987712

約数和(自身を除く): 1739212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 227, 250, 275, 454, 500, 550, 908, 1100, 1135, 1375, 2270, 2497, 2750, 4540, 4994, 5500, 5675, 9988, 11350, 12485, 22700, 24970, 28375, 49940, 56750, 62425, 113500, 124850, 249700, 312125, 624250, 1248500]

約数ペア:

[(1, 1248500), (2, 624250), (4, 312125), (5, 249700), (10, 124850), (11, 113500), (20, 62425), (22, 56750), (25, 49940), (44, 28375), (50, 24970), (55, 22700), (100, 12485), (110, 11350), (125, 9988), (220, 5675), (227, 5500), (250, 4994), (275, 4540), (454, 2750), (500, 2497), (550, 2270), (908, 1375), (1100, 1135)]