49487000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 127370880

約数和(自身を除く): 77883880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 71, 82, 85, 100, 125, 136, 142, 164, 170, 200, 205, 250, 284, 328, 340, 355, 410, 425, 500, 568, 680, 697, 710, 820, 850, 1000, 1025, 1207, 1394, 1420, 1640, 1700, 1775, 2050, 2125, 2414, 2788, 2840, 2911, 3400, 3485, 3550, 4100, 4250, 4828, 5125, 5576, 5822, 6035, 6970, 7100, 8200, 8500, 8875, 9656, 10250, 11644, 12070, 13940, 14200, 14555, 17000, 17425, 17750, 20500, 23288, 24140, 27880, 29110, 30175, 34850, 35500, 41000, 48280, 49487, 58220, 60350, 69700, 71000, 72775, 87125, 98974, 116440, 120700, 139400, 145550, 150875, 174250, 197948, 241400, 247435, 291100, 301750, 348500, 363875, 395896, 494870, 582200, 603500, 697000, 727750, 989740, 1207000, 1237175, 1455500, 1979480, 2474350, 2911000, 4948700, 6185875, 9897400, 12371750, 24743500, 49487000]

約数ペア:

[(1, 49487000), (2, 24743500), (4, 12371750), (5, 9897400), (8, 6185875), (10, 4948700), (17, 2911000), (20, 2474350), (25, 1979480), (34, 1455500), (40, 1237175), (41, 1207000), (50, 989740), (68, 727750), (71, 697000), (82, 603500), (85, 582200), (100, 494870), (125, 395896), (136, 363875), (142, 348500), (164, 301750), (170, 291100), (200, 247435), (205, 241400), (250, 197948), (284, 174250), (328, 150875), (340, 145550), (355, 139400), (410, 120700), (425, 116440), (500, 98974), (568, 87125), (680, 72775), (697, 71000), (710, 69700), (820, 60350), (850, 58220), (1000, 49487), (1025, 48280), (1207, 41000), (1394, 35500), (1420, 34850), (1640, 30175), (1700, 29110), (1775, 27880), (2050, 24140), (2125, 23288), (2414, 20500), (2788, 17750), (2840, 17425), (2911, 17000), (3400, 14555), (3485, 14200), (3550, 13940), (4100, 12070), (4250, 11644), (4828, 10250), (5125, 9656), (5576, 8875), (5822, 8500), (6035, 8200), (6970, 7100)]