85545790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 181130040

約数和(自身を除く): 95584250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 121, 122, 190, 209, 242, 305, 418, 605, 610, 671, 1045, 1159, 1210, 1342, 2090, 2299, 2318, 3355, 3721, 4598, 5795, 6710, 7381, 7442, 11495, 11590, 12749, 14762, 18605, 22990, 25498, 36905, 37210, 40931, 63745, 70699, 73810, 81862, 127490, 140239, 141398, 204655, 280478, 353495, 409310, 450241, 701195, 706990, 777689, 900482, 1402390, 1555378, 2251205, 3888445, 4502410, 7776890, 8554579, 17109158, 42772895, 85545790]

約数ペア:

[(1, 85545790), (2, 42772895), (5, 17109158), (10, 8554579), (11, 7776890), (19, 4502410), (22, 3888445), (38, 2251205), (55, 1555378), (61, 1402390), (95, 900482), (110, 777689), (121, 706990), (122, 701195), (190, 450241), (209, 409310), (242, 353495), (305, 280478), (418, 204655), (605, 141398), (610, 140239), (671, 127490), (1045, 81862), (1159, 73810), (1210, 70699), (1342, 63745), (2090, 40931), (2299, 37210), (2318, 36905), (3355, 25498), (3721, 22990), (4598, 18605), (5795, 14762), (6710, 12749), (7381, 11590), (7442, 11495)]