312285440

素因数分解:

$2^8\times 5^1\times {\mathrm{243973}}^1$

素因数の和:243994

約数の個数: 36

約数和(自身を含む): 748024284

約数和(自身を除く): 435738844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 243973, 487946, 975892, 1219865, 1951784, 2439730, 3903568, 4879460, 7807136, 9758920, 15614272, 19517840, 31228544, 39035680, 62457088, 78071360, 156142720, 312285440]

約数ペア:

[(1, 312285440), (2, 156142720), (4, 78071360), (5, 62457088), (8, 39035680), (10, 31228544), (16, 19517840), (20, 15614272), (32, 9758920), (40, 7807136), (64, 4879460), (80, 3903568), (128, 2439730), (160, 1951784), (256, 1219865), (320, 975892), (640, 487946), (1280, 243973)]