1961380

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 4145400

約数和(自身を除く): 2184020

約数列:

[1, 2, 4, 5, 10, 20, 281, 349, 562, 698, 1124, 1396, 1405, 1745, 2810, 3490, 5620, 6980, 98069, 196138, 392276, 490345, 980690, 1961380]

約数ペア:

[(1, 1961380), (2, 980690), (4, 490345), (5, 392276), (10, 196138), (20, 98069), (281, 6980), (349, 5620), (562, 3490), (698, 2810), (1124, 1745), (1396, 1405)]