79979620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1439}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 192568320

約数和(自身を除く): 112588700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1439, 1588, 1985, 2779, 2878, 3970, 5558, 5756, 7195, 7940, 10073, 11116, 13895, 14390, 20146, 27790, 28780, 40292, 50365, 55580, 100730, 201460, 571283, 1142566, 2285132, 2856415, 3998981, 5712830, 7997962, 11425660, 15995924, 19994905, 39989810, 79979620]

約数ペア:

[(1, 79979620), (2, 39989810), (4, 19994905), (5, 15995924), (7, 11425660), (10, 7997962), (14, 5712830), (20, 3998981), (28, 2856415), (35, 2285132), (70, 1142566), (140, 571283), (397, 201460), (794, 100730), (1439, 55580), (1588, 50365), (1985, 40292), (2779, 28780), (2878, 27790), (3970, 20146), (5558, 14390), (5756, 13895), (7195, 11116), (7940, 10073)]