85880900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 215819520

約数和(自身を除く): 129938620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1553, 1580, 1975, 2212, 2765, 3106, 3950, 5530, 6212, 7765, 7900, 10871, 11060, 13825, 15530, 21742, 27650, 31060, 38825, 43484, 54355, 55300, 77650, 108710, 122687, 155300, 217420, 245374, 271775, 490748, 543550, 613435, 858809, 1087100, 1226870, 1717618, 2453740, 3067175, 3435236, 4294045, 6134350, 8588090, 12268700, 17176180, 21470225, 42940450, 85880900]

約数ペア:

[(1, 85880900), (2, 42940450), (4, 21470225), (5, 17176180), (7, 12268700), (10, 8588090), (14, 6134350), (20, 4294045), (25, 3435236), (28, 3067175), (35, 2453740), (50, 1717618), (70, 1226870), (79, 1087100), (100, 858809), (140, 613435), (158, 543550), (175, 490748), (316, 271775), (350, 245374), (395, 217420), (553, 155300), (700, 122687), (790, 108710), (1106, 77650), (1553, 55300), (1580, 54355), (1975, 43484), (2212, 38825), (2765, 31060), (3106, 27650), (3950, 21742), (5530, 15530), (6212, 13825), (7765, 11060), (7900, 10871)]