2581036780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2633711}}^1$

素因数の和:2633734

約数の個数: 36

約数和(自身を含む): 6305106528

約数和(自身を除く): 3724069748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2633711, 5267422, 10534844, 13168555, 18435977, 26337110, 36871954, 52674220, 73743908, 92179885, 129051839, 184359770, 258103678, 368719540, 516207356, 645259195, 1290518390, 2581036780]

約数ペア:

[(1, 2581036780), (2, 1290518390), (4, 645259195), (5, 516207356), (7, 368719540), (10, 258103678), (14, 184359770), (20, 129051839), (28, 92179885), (35, 73743908), (49, 52674220), (70, 36871954), (98, 26337110), (140, 18435977), (196, 13168555), (245, 10534844), (490, 5267422), (980, 2633711)]