208068760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{140587}}^1$

素因数の和:140635

約数の個数: 32

約数和(自身を含む): 480810960

約数和(自身を除く): 272742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 140587, 281174, 562348, 702935, 1124696, 1405870, 2811740, 5201719, 5623480, 10403438, 20806876, 26008595, 41613752, 52017190, 104034380, 208068760]

約数ペア:

[(1, 208068760), (2, 104034380), (4, 52017190), (5, 41613752), (8, 26008595), (10, 20806876), (20, 10403438), (37, 5623480), (40, 5201719), (74, 2811740), (148, 1405870), (185, 1124696), (296, 702935), (370, 562348), (740, 281174), (1480, 140587)]