123393020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199021}}^1$

素因数の和:199061

約数の個数: 24

約数和(自身を含む): 267485568

約数和(自身を除く): 144092548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 199021, 398042, 796084, 995105, 1990210, 3980420, 6169651, 12339302, 24678604, 30848255, 61696510, 123393020]

約数ペア:

[(1, 123393020), (2, 61696510), (4, 30848255), (5, 24678604), (10, 12339302), (20, 6169651), (31, 3980420), (62, 1990210), (124, 995105), (155, 796084), (310, 398042), (620, 199021)]