228716920

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{5119}}^1$

素因数の和:6247

約数の個数: 32

約数和(自身を含む): 515174400

約数和(自身を除く): 286457480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 2234, 4468, 5119, 5585, 8936, 10238, 11170, 20476, 22340, 25595, 40952, 44680, 51190, 102380, 204760, 5717923, 11435846, 22871692, 28589615, 45743384, 57179230, 114358460, 228716920]

約数ペア:

[(1, 228716920), (2, 114358460), (4, 57179230), (5, 45743384), (8, 28589615), (10, 22871692), (20, 11435846), (40, 5717923), (1117, 204760), (2234, 102380), (4468, 51190), (5119, 44680), (5585, 40952), (8936, 25595), (10238, 22340), (11170, 20476)]