798086860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{2029}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 1706564160

約数和(自身を除く): 908477300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 277, 284, 355, 554, 710, 1108, 1385, 1420, 2029, 2770, 4058, 5540, 8116, 10145, 19667, 20290, 39334, 40580, 78668, 98335, 144059, 196670, 288118, 393340, 562033, 576236, 720295, 1124066, 1440590, 2248132, 2810165, 2881180, 5620330, 11240660, 39904343, 79808686, 159617372, 199521715, 399043430, 798086860]

約数ペア:

[(1, 798086860), (2, 399043430), (4, 199521715), (5, 159617372), (10, 79808686), (20, 39904343), (71, 11240660), (142, 5620330), (277, 2881180), (284, 2810165), (355, 2248132), (554, 1440590), (710, 1124066), (1108, 720295), (1385, 576236), (1420, 562033), (2029, 393340), (2770, 288118), (4058, 196670), (5540, 144059), (8116, 98335), (10145, 78668), (19667, 40580), (20290, 39334)]