54888680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 156764160

約数和(自身を除く): 101875480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 251, 280, 284, 308, 355, 385, 440, 497, 502, 568, 616, 710, 770, 781, 994, 1004, 1255, 1420, 1540, 1562, 1757, 1988, 2008, 2485, 2510, 2761, 2840, 3080, 3124, 3514, 3905, 3976, 4970, 5020, 5467, 5522, 6248, 7028, 7810, 8785, 9940, 10040, 10934, 11044, 13805, 14056, 15620, 17570, 17821, 19327, 19880, 21868, 22088, 27335, 27610, 31240, 35140, 35642, 38654, 43736, 54670, 55220, 70280, 71284, 77308, 89105, 96635, 109340, 110440, 124747, 142568, 154616, 178210, 193270, 196031, 218680, 249494, 356420, 386540, 392062, 498988, 623735, 712840, 773080, 784124, 980155, 997976, 1247470, 1372217, 1568248, 1960310, 2494940, 2744434, 3920620, 4989880, 5488868, 6861085, 7841240, 10977736, 13722170, 27444340, 54888680]

約数ペア:

[(1, 54888680), (2, 27444340), (4, 13722170), (5, 10977736), (7, 7841240), (8, 6861085), (10, 5488868), (11, 4989880), (14, 3920620), (20, 2744434), (22, 2494940), (28, 1960310), (35, 1568248), (40, 1372217), (44, 1247470), (55, 997976), (56, 980155), (70, 784124), (71, 773080), (77, 712840), (88, 623735), (110, 498988), (140, 392062), (142, 386540), (154, 356420), (220, 249494), (251, 218680), (280, 196031), (284, 193270), (308, 178210), (355, 154616), (385, 142568), (440, 124747), (497, 110440), (502, 109340), (568, 96635), (616, 89105), (710, 77308), (770, 71284), (781, 70280), (994, 55220), (1004, 54670), (1255, 43736), (1420, 38654), (1540, 35642), (1562, 35140), (1757, 31240), (1988, 27610), (2008, 27335), (2485, 22088), (2510, 21868), (2761, 19880), (2840, 19327), (3080, 17821), (3124, 17570), (3514, 15620), (3905, 14056), (3976, 13805), (4970, 11044), (5020, 10934), (5467, 10040), (5522, 9940), (6248, 8785), (7028, 7810)]