205142700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97687}}^1$

素因数の和:97711

約数の個数: 72

約数和(自身を含む): 678345472

約数和(自身を除く): 473202772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 97687, 195374, 293061, 390748, 488435, 586122, 683809, 976870, 1172244, 1367618, 1465305, 1953740, 2051427, 2442175, 2735236, 2930610, 3419045, 4102854, 4884350, 5861220, 6838090, 7326525, 8205708, 9768700, 10257135, 13676180, 14653050, 17095225, 20514270, 29306100, 34190450, 41028540, 51285675, 68380900, 102571350, 205142700]

約数ペア:

[(1, 205142700), (2, 102571350), (3, 68380900), (4, 51285675), (5, 41028540), (6, 34190450), (7, 29306100), (10, 20514270), (12, 17095225), (14, 14653050), (15, 13676180), (20, 10257135), (21, 9768700), (25, 8205708), (28, 7326525), (30, 6838090), (35, 5861220), (42, 4884350), (50, 4102854), (60, 3419045), (70, 2930610), (75, 2735236), (84, 2442175), (100, 2051427), (105, 1953740), (140, 1465305), (150, 1367618), (175, 1172244), (210, 976870), (300, 683809), (350, 586122), (420, 488435), (525, 390748), (700, 293061), (1050, 195374), (2100, 97687)]