70884980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49919}}^1$

素因数の和:49999

約数の個数: 24

約数和(自身を含む): 150958080

約数和(自身を除く): 80073100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 49919, 99838, 199676, 249595, 499190, 998380, 3544249, 7088498, 14176996, 17721245, 35442490, 70884980]

約数ペア:

[(1, 70884980), (2, 35442490), (4, 17721245), (5, 14176996), (10, 7088498), (20, 3544249), (71, 998380), (142, 499190), (284, 249595), (355, 199676), (710, 99838), (1420, 49919)]