858730090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{3889}}^1$

素因数の和:4278

約数の個数: 32

約数和(自身を含む): 1572929280

約数和(自身を除く): 714199190

約数列:

[1, 2, 5, 10, 71, 142, 311, 355, 622, 710, 1555, 3110, 3889, 7778, 19445, 22081, 38890, 44162, 110405, 220810, 276119, 552238, 1209479, 1380595, 2418958, 2761190, 6047395, 12094790, 85873009, 171746018, 429365045, 858730090]

約数ペア:

[(1, 858730090), (2, 429365045), (5, 171746018), (10, 85873009), (71, 12094790), (142, 6047395), (311, 2761190), (355, 2418958), (622, 1380595), (710, 1209479), (1555, 552238), (3110, 276119), (3889, 220810), (7778, 110405), (19445, 44162), (22081, 38890)]