890449120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29761}}^1$

素因数の和:29804

約数の個数: 96

約数和(自身を含む): 2430007776

約数和(自身を除く): 1539558656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5984, 7480, 14960, 29761, 29920, 59522, 119044, 148805, 238088, 297610, 327371, 476176, 505937, 595220, 654742, 952352, 1011874, 1190440, 1309484, 1636855, 2023748, 2380880, 2529685, 2618968, 3273710, 4047496, 4761760, 5059370, 5237936, 5565307, 6547420, 8094992, 10118740, 10475872, 11130614, 13094840, 16189984, 20237480, 22261228, 26189680, 27826535, 40474960, 44522456, 52379360, 55653070, 80949920, 89044912, 111306140, 178089824, 222612280, 445224560, 890449120]

約数ペア:

[(1, 890449120), (2, 445224560), (4, 222612280), (5, 178089824), (8, 111306140), (10, 89044912), (11, 80949920), (16, 55653070), (17, 52379360), (20, 44522456), (22, 40474960), (32, 27826535), (34, 26189680), (40, 22261228), (44, 20237480), (55, 16189984), (68, 13094840), (80, 11130614), (85, 10475872), (88, 10118740), (110, 8094992), (136, 6547420), (160, 5565307), (170, 5237936), (176, 5059370), (187, 4761760), (220, 4047496), (272, 3273710), (340, 2618968), (352, 2529685), (374, 2380880), (440, 2023748), (544, 1636855), (680, 1309484), (748, 1190440), (880, 1011874), (935, 952352), (1360, 654742), (1496, 595220), (1760, 505937), (1870, 476176), (2720, 327371), (2992, 297610), (3740, 238088), (5984, 148805), (7480, 119044), (14960, 59522), (29761, 29920)]