8991900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 28751632

約数和(自身を除く): 19759732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 97, 100, 103, 150, 180, 194, 206, 225, 291, 300, 309, 388, 412, 450, 485, 515, 582, 618, 873, 900, 927, 970, 1030, 1164, 1236, 1455, 1545, 1746, 1854, 1940, 2060, 2425, 2575, 2910, 3090, 3492, 3708, 4365, 4635, 4850, 5150, 5820, 6180, 7275, 7725, 8730, 9270, 9700, 9991, 10300, 14550, 15450, 17460, 18540, 19982, 21825, 23175, 29100, 29973, 30900, 39964, 43650, 46350, 49955, 59946, 87300, 89919, 92700, 99910, 119892, 149865, 179838, 199820, 249775, 299730, 359676, 449595, 499550, 599460, 749325, 899190, 999100, 1498650, 1798380, 2247975, 2997300, 4495950, 8991900]

約数ペア:

[(1, 8991900), (2, 4495950), (3, 2997300), (4, 2247975), (5, 1798380), (6, 1498650), (9, 999100), (10, 899190), (12, 749325), (15, 599460), (18, 499550), (20, 449595), (25, 359676), (30, 299730), (36, 249775), (45, 199820), (50, 179838), (60, 149865), (75, 119892), (90, 99910), (97, 92700), (100, 89919), (103, 87300), (150, 59946), (180, 49955), (194, 46350), (206, 43650), (225, 39964), (291, 30900), (300, 29973), (309, 29100), (388, 23175), (412, 21825), (450, 19982), (485, 18540), (515, 17460), (582, 15450), (618, 14550), (873, 10300), (900, 9991), (927, 9700), (970, 9270), (1030, 8730), (1164, 7725), (1236, 7275), (1455, 6180), (1545, 5820), (1746, 5150), (1854, 4850), (1940, 4635), (2060, 4365), (2425, 3708), (2575, 3492), (2910, 3090)]