64771000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 128

約数和(自身を含む): 182707200

約数和(自身を除く): 117936200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 125, 133, 140, 152, 175, 190, 200, 250, 266, 280, 350, 380, 475, 487, 500, 532, 665, 700, 760, 875, 950, 974, 1000, 1064, 1330, 1400, 1750, 1900, 1948, 2375, 2435, 2660, 3325, 3409, 3500, 3800, 3896, 4750, 4870, 5320, 6650, 6818, 7000, 9253, 9500, 9740, 12175, 13300, 13636, 16625, 17045, 18506, 19000, 19480, 24350, 26600, 27272, 33250, 34090, 37012, 46265, 48700, 60875, 64771, 66500, 68180, 74024, 85225, 92530, 97400, 121750, 129542, 133000, 136360, 170450, 185060, 231325, 243500, 259084, 323855, 340900, 370120, 426125, 462650, 487000, 518168, 647710, 681800, 852250, 925300, 1156625, 1295420, 1619275, 1704500, 1850600, 2313250, 2590840, 3238550, 3409000, 4626500, 6477100, 8096375, 9253000, 12954200, 16192750, 32385500, 64771000]

約数ペア:

[(1, 64771000), (2, 32385500), (4, 16192750), (5, 12954200), (7, 9253000), (8, 8096375), (10, 6477100), (14, 4626500), (19, 3409000), (20, 3238550), (25, 2590840), (28, 2313250), (35, 1850600), (38, 1704500), (40, 1619275), (50, 1295420), (56, 1156625), (70, 925300), (76, 852250), (95, 681800), (100, 647710), (125, 518168), (133, 487000), (140, 462650), (152, 426125), (175, 370120), (190, 340900), (200, 323855), (250, 259084), (266, 243500), (280, 231325), (350, 185060), (380, 170450), (475, 136360), (487, 133000), (500, 129542), (532, 121750), (665, 97400), (700, 92530), (760, 85225), (875, 74024), (950, 68180), (974, 66500), (1000, 64771), (1064, 60875), (1330, 48700), (1400, 46265), (1750, 37012), (1900, 34090), (1948, 33250), (2375, 27272), (2435, 26600), (2660, 24350), (3325, 19480), (3409, 19000), (3500, 18506), (3800, 17045), (3896, 16625), (4750, 13636), (4870, 13300), (5320, 12175), (6650, 9740), (6818, 9500), (7000, 9253)]