99681380

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{14281}}^1$

素因数の和:14639

約数の個数: 24

約数和(自身を含む): 209945400

約数和(自身を除く): 110264020

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 14281, 28562, 57124, 71405, 142810, 285620, 4984069, 9968138, 19936276, 24920345, 49840690, 99681380]

約数ペア:

[(1, 99681380), (2, 49840690), (4, 24920345), (5, 19936276), (10, 9968138), (20, 4984069), (349, 285620), (698, 142810), (1396, 71405), (1745, 57124), (3490, 28562), (6980, 14281)]