1819840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1$

素因数の和:86

約数の個数: 84

約数和(自身を含む): 4864608

約数和(自身を除く): 3044768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 121, 160, 176, 188, 220, 235, 242, 320, 352, 376, 440, 470, 484, 517, 605, 704, 752, 880, 940, 968, 1034, 1210, 1504, 1760, 1880, 1936, 2068, 2420, 2585, 3008, 3520, 3760, 3872, 4136, 4840, 5170, 5687, 7520, 7744, 8272, 9680, 10340, 11374, 15040, 16544, 19360, 20680, 22748, 28435, 33088, 38720, 41360, 45496, 56870, 82720, 90992, 113740, 165440, 181984, 227480, 363968, 454960, 909920, 1819840]

約数ペア:

[(1, 1819840), (2, 909920), (4, 454960), (5, 363968), (8, 227480), (10, 181984), (11, 165440), (16, 113740), (20, 90992), (22, 82720), (32, 56870), (40, 45496), (44, 41360), (47, 38720), (55, 33088), (64, 28435), (80, 22748), (88, 20680), (94, 19360), (110, 16544), (121, 15040), (160, 11374), (176, 10340), (188, 9680), (220, 8272), (235, 7744), (242, 7520), (320, 5687), (352, 5170), (376, 4840), (440, 4136), (470, 3872), (484, 3760), (517, 3520), (605, 3008), (704, 2585), (752, 2420), (880, 2068), (940, 1936), (968, 1880), (1034, 1760), (1210, 1504)]