7927480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 12030920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 419, 430, 440, 473, 838, 860, 946, 1676, 1720, 1892, 2095, 2365, 3352, 3784, 4190, 4609, 4730, 8380, 9218, 9460, 16760, 18017, 18436, 18920, 23045, 36034, 36872, 46090, 72068, 90085, 92180, 144136, 180170, 184360, 198187, 360340, 396374, 720680, 792748, 990935, 1585496, 1981870, 3963740, 7927480]

約数ペア:

[(1, 7927480), (2, 3963740), (4, 1981870), (5, 1585496), (8, 990935), (10, 792748), (11, 720680), (20, 396374), (22, 360340), (40, 198187), (43, 184360), (44, 180170), (55, 144136), (86, 92180), (88, 90085), (110, 72068), (172, 46090), (215, 36872), (220, 36034), (344, 23045), (419, 18920), (430, 18436), (440, 18017), (473, 16760), (838, 9460), (860, 9218), (946, 8380), (1676, 4730), (1720, 4609), (1892, 4190), (2095, 3784), (2365, 3352)]