2211980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5821}}^1$

素因数の和:5849

約数の個数: 24

約数和(自身を含む): 4890480

約数和(自身を除く): 2678500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5821, 11642, 23284, 29105, 58210, 110599, 116420, 221198, 442396, 552995, 1105990, 2211980]

約数ペア:

[(1, 2211980), (2, 1105990), (4, 552995), (5, 442396), (10, 221198), (19, 116420), (20, 110599), (38, 58210), (76, 29105), (95, 23284), (190, 11642), (380, 5821)]