81210710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3779}}^1$

素因数の和:4100

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 86439850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 3779, 4298, 7558, 10745, 18895, 21490, 26453, 37790, 52906, 132265, 264530, 1160153, 2320306, 5800765, 8121071, 11601530, 16242142, 40605355, 81210710]

約数ペア:

[(1, 81210710), (2, 40605355), (5, 16242142), (7, 11601530), (10, 8121071), (14, 5800765), (35, 2320306), (70, 1160153), (307, 264530), (614, 132265), (1535, 52906), (2149, 37790), (3070, 26453), (3779, 21490), (4298, 18895), (7558, 10745)]