381189160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{1087}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 937681920

約数和(自身を除く): 556492760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 797, 1087, 1594, 2174, 3188, 3985, 4348, 5435, 6376, 7970, 8696, 8767, 10870, 11957, 15940, 17534, 21740, 23914, 31880, 35068, 43480, 43835, 47828, 59785, 70136, 87670, 95656, 119570, 175340, 239140, 350680, 478280, 866339, 1732678, 3465356, 4331695, 6930712, 8663390, 9529729, 17326780, 19059458, 34653560, 38118916, 47648645, 76237832, 95297290, 190594580, 381189160]

約数ペア:

[(1, 381189160), (2, 190594580), (4, 95297290), (5, 76237832), (8, 47648645), (10, 38118916), (11, 34653560), (20, 19059458), (22, 17326780), (40, 9529729), (44, 8663390), (55, 6930712), (88, 4331695), (110, 3465356), (220, 1732678), (440, 866339), (797, 478280), (1087, 350680), (1594, 239140), (2174, 175340), (3188, 119570), (3985, 95656), (4348, 87670), (5435, 70136), (6376, 59785), (7970, 47828), (8696, 43835), (8767, 43480), (10870, 35068), (11957, 31880), (15940, 23914), (17534, 21740)]