1870221440

素因数分解:

$2^7\times 5^1\times {\mathrm{2922221}}^1$

素因数の和:2922240

約数の個数: 32

約数和(自身を含む): 4470999660

約数和(自身を除く): 2600778220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2922221, 5844442, 11688884, 14611105, 23377768, 29222210, 46755536, 58444420, 93511072, 116888840, 187022144, 233777680, 374044288, 467555360, 935110720, 1870221440]

約数ペア:

[(1, 1870221440), (2, 935110720), (4, 467555360), (5, 374044288), (8, 233777680), (10, 187022144), (16, 116888840), (20, 93511072), (32, 58444420), (40, 46755536), (64, 29222210), (80, 23377768), (128, 14611105), (160, 11688884), (320, 5844442), (640, 2922221)]