1966360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 4989600

約数和(自身を除く): 3023240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 109, 110, 164, 205, 218, 220, 328, 410, 436, 440, 451, 545, 820, 872, 902, 1090, 1199, 1640, 1804, 2180, 2255, 2398, 3608, 4360, 4469, 4510, 4796, 5995, 8938, 9020, 9592, 11990, 17876, 18040, 22345, 23980, 35752, 44690, 47960, 49159, 89380, 98318, 178760, 196636, 245795, 393272, 491590, 983180, 1966360]

約数ペア:

[(1, 1966360), (2, 983180), (4, 491590), (5, 393272), (8, 245795), (10, 196636), (11, 178760), (20, 98318), (22, 89380), (40, 49159), (41, 47960), (44, 44690), (55, 35752), (82, 23980), (88, 22345), (109, 18040), (110, 17876), (164, 11990), (205, 9592), (218, 9020), (220, 8938), (328, 5995), (410, 4796), (436, 4510), (440, 4469), (451, 4360), (545, 3608), (820, 2398), (872, 2255), (902, 2180), (1090, 1804), (1199, 1640)]