22019000

素因数分解:

$2^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 52284960

約数和(自身を除く): 30265960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 227, 250, 388, 454, 485, 500, 776, 908, 970, 1000, 1135, 1816, 1940, 2270, 2425, 3880, 4540, 4850, 5675, 9080, 9700, 11350, 12125, 19400, 22019, 22700, 24250, 28375, 44038, 45400, 48500, 56750, 88076, 97000, 110095, 113500, 176152, 220190, 227000, 440380, 550475, 880760, 1100950, 2201900, 2752375, 4403800, 5504750, 11009500, 22019000]

約数ペア:

[(1, 22019000), (2, 11009500), (4, 5504750), (5, 4403800), (8, 2752375), (10, 2201900), (20, 1100950), (25, 880760), (40, 550475), (50, 440380), (97, 227000), (100, 220190), (125, 176152), (194, 113500), (200, 110095), (227, 97000), (250, 88076), (388, 56750), (454, 48500), (485, 45400), (500, 44038), (776, 28375), (908, 24250), (970, 22700), (1000, 22019), (1135, 19400), (1816, 12125), (1940, 11350), (2270, 9700), (2425, 9080), (3880, 5675), (4540, 4850)]