78123220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3083}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 188592768

約数和(自身を除く): 110469548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3083, 3620, 5068, 6166, 6335, 12332, 12670, 15415, 21581, 25340, 30830, 43162, 61660, 86324, 107905, 215810, 431620, 558023, 1116046, 2232092, 2790115, 3906161, 5580230, 7812322, 11160460, 15624644, 19530805, 39061610, 78123220]

約数ペア:

[(1, 78123220), (2, 39061610), (4, 19530805), (5, 15624644), (7, 11160460), (10, 7812322), (14, 5580230), (20, 3906161), (28, 2790115), (35, 2232092), (70, 1116046), (140, 558023), (181, 431620), (362, 215810), (724, 107905), (905, 86324), (1267, 61660), (1810, 43162), (2534, 30830), (3083, 25340), (3620, 21581), (5068, 15415), (6166, 12670), (6335, 12332)]