160983500

素因数分解:

$2^2\times 5^3\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1227

約数の個数: 48

約数和(自身を含む): 352908192

約数和(自身を除く): 191924692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 397, 500, 794, 811, 1588, 1622, 1985, 3244, 3970, 4055, 7940, 8110, 9925, 16220, 19850, 20275, 39700, 40550, 49625, 81100, 99250, 101375, 198500, 202750, 321967, 405500, 643934, 1287868, 1609835, 3219670, 6439340, 8049175, 16098350, 32196700, 40245875, 80491750, 160983500]

約数ペア:

[(1, 160983500), (2, 80491750), (4, 40245875), (5, 32196700), (10, 16098350), (20, 8049175), (25, 6439340), (50, 3219670), (100, 1609835), (125, 1287868), (250, 643934), (397, 405500), (500, 321967), (794, 202750), (811, 198500), (1588, 101375), (1622, 99250), (1985, 81100), (3244, 49625), (3970, 40550), (4055, 39700), (7940, 20275), (8110, 19850), (9925, 16220)]