392671840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 1044250704

約数和(自身を除く): 651578864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 101, 110, 160, 176, 188, 202, 220, 235, 352, 376, 404, 440, 470, 505, 517, 752, 808, 880, 940, 1010, 1034, 1111, 1504, 1616, 1760, 1880, 2020, 2068, 2209, 2222, 2585, 3232, 3760, 4040, 4136, 4418, 4444, 4747, 5170, 5555, 7520, 8080, 8272, 8836, 8888, 9494, 10340, 11045, 11110, 16160, 16544, 17672, 17776, 18988, 20680, 22090, 22220, 23735, 24299, 35344, 35552, 37976, 41360, 44180, 44440, 47470, 48598, 52217, 70688, 75952, 82720, 88360, 88880, 94940, 97196, 104434, 121495, 151904, 176720, 177760, 189880, 194392, 208868, 223109, 242990, 261085, 353440, 379760, 388784, 417736, 446218, 485980, 522170, 759520, 777568, 835472, 892436, 971960, 1044340, 1115545, 1670944, 1784872, 1943920, 2088680, 2231090, 2454199, 3569744, 3887840, 4177360, 4462180, 4908398, 7139488, 8354720, 8924360, 9816796, 12270995, 17848720, 19633592, 24541990, 35697440, 39267184, 49083980, 78534368, 98167960, 196335920, 392671840]

約数ペア:

[(1, 392671840), (2, 196335920), (4, 98167960), (5, 78534368), (8, 49083980), (10, 39267184), (11, 35697440), (16, 24541990), (20, 19633592), (22, 17848720), (32, 12270995), (40, 9816796), (44, 8924360), (47, 8354720), (55, 7139488), (80, 4908398), (88, 4462180), (94, 4177360), (101, 3887840), (110, 3569744), (160, 2454199), (176, 2231090), (188, 2088680), (202, 1943920), (220, 1784872), (235, 1670944), (352, 1115545), (376, 1044340), (404, 971960), (440, 892436), (470, 835472), (505, 777568), (517, 759520), (752, 522170), (808, 485980), (880, 446218), (940, 417736), (1010, 388784), (1034, 379760), (1111, 353440), (1504, 261085), (1616, 242990), (1760, 223109), (1880, 208868), (2020, 194392), (2068, 189880), (2209, 177760), (2222, 176720), (2585, 151904), (3232, 121495), (3760, 104434), (4040, 97196), (4136, 94940), (4418, 88880), (4444, 88360), (4747, 82720), (5170, 75952), (5555, 70688), (7520, 52217), (8080, 48598), (8272, 47470), (8836, 44440), (8888, 44180), (9494, 41360), (10340, 37976), (11045, 35552), (11110, 35344), (16160, 24299), (16544, 23735), (17672, 22220), (17776, 22090), (18988, 20680)]