211989.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{99089}}^1$

素因数の和:99100

約数の個数: 16

約数和(自身を含む): 8918100

約数和(自身を除く): 4954540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99089, 198178, 396356, 495445, 792712, 990890, 1981780, 3963560]

約数ペア:

[(1, 3963560), (2, 1981780), (4, 990890), (5, 792712), (8, 495445), (10, 396356), (20, 198178), (40, 99089)]