85302580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 199420200

約数和(自身を除く): 114117620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 349, 404, 484, 505, 605, 698, 1010, 1111, 1210, 1396, 1745, 2020, 2222, 2420, 3490, 3839, 4444, 5555, 6980, 7678, 11110, 12221, 15356, 19195, 22220, 24442, 35249, 38390, 42229, 48884, 61105, 70498, 76780, 84458, 122210, 140996, 168916, 176245, 211145, 244420, 352490, 387739, 422290, 704980, 775478, 844580, 1550956, 1938695, 3877390, 4265129, 7754780, 8530258, 17060516, 21325645, 42651290, 85302580]

約数ペア:

[(1, 85302580), (2, 42651290), (4, 21325645), (5, 17060516), (10, 8530258), (11, 7754780), (20, 4265129), (22, 3877390), (44, 1938695), (55, 1550956), (101, 844580), (110, 775478), (121, 704980), (202, 422290), (220, 387739), (242, 352490), (349, 244420), (404, 211145), (484, 176245), (505, 168916), (605, 140996), (698, 122210), (1010, 84458), (1111, 76780), (1210, 70498), (1396, 61105), (1745, 48884), (2020, 42229), (2222, 38390), (2420, 35249), (3490, 24442), (3839, 22220), (4444, 19195), (5555, 15356), (6980, 12221), (7678, 11110)]