389623580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{234713}}^1$

素因数の和:234805

約数の個数: 24

約数和(自身を含む): 828070992

約数和(自身を除く): 438447412

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 234713, 469426, 938852, 1173565, 2347130, 4694260, 19481179, 38962358, 77924716, 97405895, 194811790, 389623580]

約数ペア:

[(1, 389623580), (2, 194811790), (4, 97405895), (5, 77924716), (10, 38962358), (20, 19481179), (83, 4694260), (166, 2347130), (332, 1173565), (415, 938852), (830, 469426), (1660, 234713)]