131036780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{133711}}^1$

素因数の和:133734

約数の個数: 36

約数和(自身を含む): 320106528

約数和(自身を除く): 189069748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 133711, 267422, 534844, 668555, 935977, 1337110, 1871954, 2674220, 3743908, 4679885, 6551839, 9359770, 13103678, 18719540, 26207356, 32759195, 65518390, 131036780]

約数ペア:

[(1, 131036780), (2, 65518390), (4, 32759195), (5, 26207356), (7, 18719540), (10, 13103678), (14, 9359770), (20, 6551839), (28, 4679885), (35, 3743908), (49, 2674220), (70, 1871954), (98, 1337110), (140, 935977), (196, 668555), (245, 534844), (490, 267422), (980, 133711)]