890756664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 2601123840

約数和(自身を除く): 1710367176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 127, 166, 168, 249, 254, 332, 381, 498, 503, 508, 581, 664, 762, 889, 996, 1006, 1016, 1162, 1509, 1524, 1743, 1778, 1992, 2012, 2324, 2667, 3018, 3048, 3486, 3521, 3556, 4024, 4648, 5334, 6036, 6972, 7042, 7112, 10541, 10563, 10668, 12072, 13944, 14084, 21082, 21126, 21336, 28168, 31623, 41749, 42164, 42252, 63246, 63881, 73787, 83498, 84328, 84504, 125247, 126492, 127762, 147574, 166996, 191643, 221361, 250494, 252984, 255524, 292243, 295148, 333992, 383286, 442722, 447167, 500988, 511048, 584486, 590296, 766572, 876729, 885444, 894334, 1001976, 1168972, 1341501, 1533144, 1753458, 1770888, 1788668, 2337944, 2683002, 3506916, 3577336, 5302123, 5366004, 7013832, 10604246, 10732008, 15906369, 21208492, 31812738, 37114861, 42416984, 63625476, 74229722, 111344583, 127250952, 148459444, 222689166, 296918888, 445378332, 890756664]

約数ペア:

[(1, 890756664), (2, 445378332), (3, 296918888), (4, 222689166), (6, 148459444), (7, 127250952), (8, 111344583), (12, 74229722), (14, 63625476), (21, 42416984), (24, 37114861), (28, 31812738), (42, 21208492), (56, 15906369), (83, 10732008), (84, 10604246), (127, 7013832), (166, 5366004), (168, 5302123), (249, 3577336), (254, 3506916), (332, 2683002), (381, 2337944), (498, 1788668), (503, 1770888), (508, 1753458), (581, 1533144), (664, 1341501), (762, 1168972), (889, 1001976), (996, 894334), (1006, 885444), (1016, 876729), (1162, 766572), (1509, 590296), (1524, 584486), (1743, 511048), (1778, 500988), (1992, 447167), (2012, 442722), (2324, 383286), (2667, 333992), (3018, 295148), (3048, 292243), (3486, 255524), (3521, 252984), (3556, 250494), (4024, 221361), (4648, 191643), (5334, 166996), (6036, 147574), (6972, 127762), (7042, 126492), (7112, 125247), (10541, 84504), (10563, 84328), (10668, 83498), (12072, 73787), (13944, 63881), (14084, 63246), (21082, 42252), (21126, 42164), (21336, 41749), (28168, 31623)]