130390120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{465679}}^1$

素因数の和:465697

約数の個数: 32

約数和(自身を含む): 335289600

約数和(自身を除く): 204899480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 465679, 931358, 1862716, 2328395, 3259753, 3725432, 4656790, 6519506, 9313580, 13039012, 16298765, 18627160, 26078024, 32597530, 65195060, 130390120]

約数ペア:

[(1, 130390120), (2, 65195060), (4, 32597530), (5, 26078024), (7, 18627160), (8, 16298765), (10, 13039012), (14, 9313580), (20, 6519506), (28, 4656790), (35, 3725432), (40, 3259753), (56, 2328395), (70, 1862716), (140, 931358), (280, 465679)]