30787000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1849

約数の個数: 64

約数和(自身を含む): 76321440

約数和(自身を除く): 45534440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1700, 1811, 2125, 3400, 3622, 4250, 7244, 8500, 9055, 14488, 17000, 18110, 30787, 36220, 45275, 61574, 72440, 90550, 123148, 153935, 181100, 226375, 246296, 307870, 362200, 452750, 615740, 769675, 905500, 1231480, 1539350, 1811000, 3078700, 3848375, 6157400, 7696750, 15393500, 30787000]

約数ペア:

[(1, 30787000), (2, 15393500), (4, 7696750), (5, 6157400), (8, 3848375), (10, 3078700), (17, 1811000), (20, 1539350), (25, 1231480), (34, 905500), (40, 769675), (50, 615740), (68, 452750), (85, 362200), (100, 307870), (125, 246296), (136, 226375), (170, 181100), (200, 153935), (250, 123148), (340, 90550), (425, 72440), (500, 61574), (680, 45275), (850, 36220), (1000, 30787), (1700, 18110), (1811, 17000), (2125, 14488), (3400, 9055), (3622, 8500), (4250, 7244)]