78276790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 146422080

約数和(自身を除く): 68145290

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 710, 2689, 2911, 5378, 5822, 13445, 14555, 26890, 29110, 110249, 190919, 220498, 381838, 551245, 954595, 1102490, 1909190, 7827679, 15655358, 39138395, 78276790]

約数ペア:

[(1, 78276790), (2, 39138395), (5, 15655358), (10, 7827679), (41, 1909190), (71, 1102490), (82, 954595), (142, 551245), (205, 381838), (355, 220498), (410, 190919), (710, 110249), (2689, 29110), (2911, 26890), (5378, 14555), (5822, 13445)]