2001000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 6739200

約数和(自身を除く): 4738200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 29, 30, 40, 46, 50, 58, 60, 69, 75, 87, 92, 100, 115, 116, 120, 125, 138, 145, 150, 174, 184, 200, 230, 232, 250, 276, 290, 300, 345, 348, 375, 435, 460, 500, 552, 575, 580, 600, 667, 690, 696, 725, 750, 870, 920, 1000, 1150, 1160, 1334, 1380, 1450, 1500, 1725, 1740, 2001, 2175, 2300, 2668, 2760, 2875, 2900, 3000, 3335, 3450, 3480, 3625, 4002, 4350, 4600, 5336, 5750, 5800, 6670, 6900, 7250, 8004, 8625, 8700, 10005, 10875, 11500, 13340, 13800, 14500, 16008, 16675, 17250, 17400, 20010, 21750, 23000, 26680, 29000, 33350, 34500, 40020, 43500, 50025, 66700, 69000, 80040, 83375, 87000, 100050, 133400, 166750, 200100, 250125, 333500, 400200, 500250, 667000, 1000500, 2001000]

約数ペア:

[(1, 2001000), (2, 1000500), (3, 667000), (4, 500250), (5, 400200), (6, 333500), (8, 250125), (10, 200100), (12, 166750), (15, 133400), (20, 100050), (23, 87000), (24, 83375), (25, 80040), (29, 69000), (30, 66700), (40, 50025), (46, 43500), (50, 40020), (58, 34500), (60, 33350), (69, 29000), (75, 26680), (87, 23000), (92, 21750), (100, 20010), (115, 17400), (116, 17250), (120, 16675), (125, 16008), (138, 14500), (145, 13800), (150, 13340), (174, 11500), (184, 10875), (200, 10005), (230, 8700), (232, 8625), (250, 8004), (276, 7250), (290, 6900), (300, 6670), (345, 5800), (348, 5750), (375, 5336), (435, 4600), (460, 4350), (500, 4002), (552, 3625), (575, 3480), (580, 3450), (600, 3335), (667, 3000), (690, 2900), (696, 2875), (725, 2760), (750, 2668), (870, 2300), (920, 2175), (1000, 2001), (1150, 1740), (1160, 1725), (1334, 1500), (1380, 1450)]