3887840

素因数分解:

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

素因数の和:120

約数の個数: 72

約数和(自身を含む): 10237752

約数和(自身を除く): 6349912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 1034, 1504, 1760, 1880, 2068, 2209, 2585, 3760, 4136, 4418, 5170, 7520, 8272, 8836, 10340, 11045, 16544, 17672, 20680, 22090, 24299, 35344, 41360, 44180, 48598, 70688, 82720, 88360, 97196, 121495, 176720, 194392, 242990, 353440, 388784, 485980, 777568, 971960, 1943920, 3887840]

約数ペア:

[(1, 3887840), (2, 1943920), (4, 971960), (5, 777568), (8, 485980), (10, 388784), (11, 353440), (16, 242990), (20, 194392), (22, 176720), (32, 121495), (40, 97196), (44, 88360), (47, 82720), (55, 70688), (80, 48598), (88, 44180), (94, 41360), (110, 35344), (160, 24299), (176, 22090), (188, 20680), (220, 17672), (235, 16544), (352, 11045), (376, 10340), (440, 8836), (470, 8272), (517, 7520), (752, 5170), (880, 4418), (940, 4136), (1034, 3760), (1504, 2585), (1760, 2209), (1880, 2068)]