141769960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49919}}^1$

素因数の和:50001

約数の個数: 32

約数和(自身を含む): 323481600

約数和(自身を除く): 181711640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 49919, 99838, 199676, 249595, 399352, 499190, 998380, 1996760, 3544249, 7088498, 14176996, 17721245, 28353992, 35442490, 70884980, 141769960]

約数ペア:

[(1, 141769960), (2, 70884980), (4, 35442490), (5, 28353992), (8, 17721245), (10, 14176996), (20, 7088498), (40, 3544249), (71, 1996760), (142, 998380), (284, 499190), (355, 399352), (568, 249595), (710, 199676), (1420, 99838), (2840, 49919)]