995804920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2093

約数の個数: 128

約数和(自身を含む): 2627976960

約数和(自身を除く): 1632172040

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 67, 68, 85, 88, 110, 134, 136, 170, 187, 220, 268, 335, 340, 374, 440, 536, 670, 680, 737, 748, 935, 1139, 1340, 1474, 1496, 1870, 1987, 2278, 2680, 2948, 3685, 3740, 3974, 4556, 5695, 5896, 7370, 7480, 7948, 9112, 9935, 11390, 12529, 14740, 15896, 19870, 21857, 22780, 25058, 29480, 33779, 39740, 43714, 45560, 50116, 62645, 67558, 79480, 87428, 100232, 109285, 125290, 133129, 135116, 168895, 174856, 218570, 250580, 266258, 270232, 337790, 371569, 437140, 501160, 532516, 665645, 675580, 743138, 874280, 1065032, 1331290, 1351160, 1464419, 1486276, 1857845, 2263193, 2662580, 2928838, 2972552, 3715690, 4526386, 5325160, 5857676, 7322095, 7431380, 9052772, 11315965, 11715352, 14644190, 14862760, 18105544, 22631930, 24895123, 29288380, 45263860, 49790246, 58576760, 90527720, 99580492, 124475615, 199160984, 248951230, 497902460, 995804920]

約数ペア:

[(1, 995804920), (2, 497902460), (4, 248951230), (5, 199160984), (8, 124475615), (10, 99580492), (11, 90527720), (17, 58576760), (20, 49790246), (22, 45263860), (34, 29288380), (40, 24895123), (44, 22631930), (55, 18105544), (67, 14862760), (68, 14644190), (85, 11715352), (88, 11315965), (110, 9052772), (134, 7431380), (136, 7322095), (170, 5857676), (187, 5325160), (220, 4526386), (268, 3715690), (335, 2972552), (340, 2928838), (374, 2662580), (440, 2263193), (536, 1857845), (670, 1486276), (680, 1464419), (737, 1351160), (748, 1331290), (935, 1065032), (1139, 874280), (1340, 743138), (1474, 675580), (1496, 665645), (1870, 532516), (1987, 501160), (2278, 437140), (2680, 371569), (2948, 337790), (3685, 270232), (3740, 266258), (3974, 250580), (4556, 218570), (5695, 174856), (5896, 168895), (7370, 135116), (7480, 133129), (7948, 125290), (9112, 109285), (9935, 100232), (11390, 87428), (12529, 79480), (14740, 67558), (15896, 62645), (19870, 50116), (21857, 45560), (22780, 43714), (25058, 39740), (29480, 33779)]