346562480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2202

約数の個数: 80

約数和(自身を含む): 883872000

約数和(自身を除く): 537309520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 199, 220, 398, 440, 796, 880, 995, 1592, 1979, 1990, 2189, 3184, 3958, 3980, 4378, 7916, 7960, 8756, 9895, 10945, 15832, 15920, 17512, 19790, 21769, 21890, 31664, 35024, 39580, 43538, 43780, 79160, 87076, 87560, 108845, 158320, 174152, 175120, 217690, 348304, 393821, 435380, 787642, 870760, 1575284, 1741520, 1969105, 3150568, 3938210, 4332031, 6301136, 7876420, 8664062, 15752840, 17328124, 21660155, 31505680, 34656248, 43320310, 69312496, 86640620, 173281240, 346562480]

約数ペア:

[(1, 346562480), (2, 173281240), (4, 86640620), (5, 69312496), (8, 43320310), (10, 34656248), (11, 31505680), (16, 21660155), (20, 17328124), (22, 15752840), (40, 8664062), (44, 7876420), (55, 6301136), (80, 4332031), (88, 3938210), (110, 3150568), (176, 1969105), (199, 1741520), (220, 1575284), (398, 870760), (440, 787642), (796, 435380), (880, 393821), (995, 348304), (1592, 217690), (1979, 175120), (1990, 174152), (2189, 158320), (3184, 108845), (3958, 87560), (3980, 87076), (4378, 79160), (7916, 43780), (7960, 43538), (8756, 39580), (9895, 35024), (10945, 31664), (15832, 21890), (15920, 21769), (17512, 19790)]