199949860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908863}}^1$

素因数の和:908883

約数の個数: 24

約数和(自身を含む): 458067456

約数和(自身を除く): 258117596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908863, 1817726, 3635452, 4544315, 9088630, 9997493, 18177260, 19994986, 39989972, 49987465, 99974930, 199949860]

約数ペア:

[(1, 199949860), (2, 99974930), (4, 49987465), (5, 39989972), (10, 19994986), (11, 18177260), (20, 9997493), (22, 9088630), (44, 4544315), (55, 3635452), (110, 1817726), (220, 908863)]