123970220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563501}}^1$

素因数の和:563521

約数の個数: 24

約数和(自身を含む): 284005008

約数和(自身を除く): 160034788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 563501, 1127002, 2254004, 2817505, 5635010, 6198511, 11270020, 12397022, 24794044, 30992555, 61985110, 123970220]

約数ペア:

[(1, 123970220), (2, 61985110), (4, 30992555), (5, 24794044), (10, 12397022), (11, 11270020), (20, 6198511), (22, 5635010), (44, 2817505), (55, 2254004), (110, 1127002), (220, 563501)]