172221460

素因数分解:

$2^2\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{3167}}^1$

素因数の和:5895

約数の個数: 24

約数和(自身を含む): 361912320

約数和(自身を除く): 189690860

約数列:

[1, 2, 4, 5, 10, 20, 2719, 3167, 5438, 6334, 10876, 12668, 13595, 15835, 27190, 31670, 54380, 63340, 8611073, 17222146, 34444292, 43055365, 86110730, 172221460]

約数ペア:

[(1, 172221460), (2, 86110730), (4, 43055365), (5, 34444292), (10, 17222146), (20, 8611073), (2719, 63340), (3167, 54380), (5438, 31670), (6334, 27190), (10876, 15835), (12668, 13595)]