205018100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2817

約数の個数: 72

約数和(自身を含む): 513300480

約数和(自身を除く): 308282380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 545, 700, 763, 1090, 1526, 2180, 2687, 2725, 3052, 3815, 5374, 5450, 7630, 10748, 10900, 13435, 15260, 18809, 19075, 26870, 37618, 38150, 53740, 67175, 75236, 76300, 94045, 134350, 188090, 268700, 292883, 376180, 470225, 585766, 940450, 1171532, 1464415, 1880900, 2050181, 2928830, 4100362, 5857660, 7322075, 8200724, 10250905, 14644150, 20501810, 29288300, 41003620, 51254525, 102509050, 205018100]

約数ペア:

[(1, 205018100), (2, 102509050), (4, 51254525), (5, 41003620), (7, 29288300), (10, 20501810), (14, 14644150), (20, 10250905), (25, 8200724), (28, 7322075), (35, 5857660), (50, 4100362), (70, 2928830), (100, 2050181), (109, 1880900), (140, 1464415), (175, 1171532), (218, 940450), (350, 585766), (436, 470225), (545, 376180), (700, 292883), (763, 268700), (1090, 188090), (1526, 134350), (2180, 94045), (2687, 76300), (2725, 75236), (3052, 67175), (3815, 53740), (5374, 38150), (5450, 37618), (7630, 26870), (10748, 19075), (10900, 18809), (13435, 15260)]