22164500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 49013328

約数和(自身を除く): 26848828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 457, 485, 500, 914, 970, 1828, 1940, 2285, 2425, 4570, 4850, 9140, 9700, 11425, 12125, 22850, 24250, 44329, 45700, 48500, 57125, 88658, 114250, 177316, 221645, 228500, 443290, 886580, 1108225, 2216450, 4432900, 5541125, 11082250, 22164500]

約数ペア:

[(1, 22164500), (2, 11082250), (4, 5541125), (5, 4432900), (10, 2216450), (20, 1108225), (25, 886580), (50, 443290), (97, 228500), (100, 221645), (125, 177316), (194, 114250), (250, 88658), (388, 57125), (457, 48500), (485, 45700), (500, 44329), (914, 24250), (970, 22850), (1828, 12125), (1940, 11425), (2285, 9700), (2425, 9140), (4570, 4850)]