219510080

素因数分解:

$2^6\times 5^1\times {\mathrm{685969}}^1$

素因数の和:685986

約数の個数: 28

約数和(自身を含む): 522709140

約数和(自身を除く): 303199060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 685969, 1371938, 2743876, 3429845, 5487752, 6859690, 10975504, 13719380, 21951008, 27438760, 43902016, 54877520, 109755040, 219510080]

約数ペア:

[(1, 219510080), (2, 109755040), (4, 54877520), (5, 43902016), (8, 27438760), (10, 21951008), (16, 13719380), (20, 10975504), (32, 6859690), (40, 5487752), (64, 3429845), (80, 2743876), (160, 1371938), (320, 685969)]