996855620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{702011}}^1$

素因数の和:702091

約数の個数: 24

約数和(自身を含む): 2122884288

約数和(自身を除く): 1126028668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 702011, 1404022, 2808044, 3510055, 7020110, 14040220, 49842781, 99685562, 199371124, 249213905, 498427810, 996855620]

約数ペア:

[(1, 996855620), (2, 498427810), (4, 249213905), (5, 199371124), (10, 99685562), (20, 49842781), (71, 14040220), (142, 7020110), (284, 3510055), (355, 2808044), (710, 1404022), (1420, 702011)]