210044980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{147919}}^1$

素因数の和:147999

約数の個数: 24

約数和(自身を含む): 447310080

約数和(自身を除く): 237265100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 147919, 295838, 591676, 739595, 1479190, 2958380, 10502249, 21004498, 42008996, 52511245, 105022490, 210044980]

約数ペア:

[(1, 210044980), (2, 105022490), (4, 52511245), (5, 42008996), (10, 21004498), (20, 10502249), (71, 2958380), (142, 1479190), (284, 739595), (355, 591676), (710, 295838), (1420, 147919)]