1442900000

素因数分解:

$2^5\times 5^5\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 3638017152

約数和(自身を除く): 2195117152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 125, 160, 188, 200, 235, 250, 307, 376, 400, 470, 500, 614, 625, 752, 800, 940, 1000, 1175, 1228, 1250, 1504, 1535, 1880, 2000, 2350, 2456, 2500, 3070, 3125, 3760, 4000, 4700, 4912, 5000, 5875, 6140, 6250, 7520, 7675, 9400, 9824, 10000, 11750, 12280, 12500, 14429, 15350, 18800, 20000, 23500, 24560, 25000, 28858, 29375, 30700, 37600, 38375, 47000, 49120, 50000, 57716, 58750, 61400, 72145, 76750, 94000, 100000, 115432, 117500, 122800, 144290, 146875, 153500, 188000, 191875, 230864, 235000, 245600, 288580, 293750, 307000, 360725, 383750, 461728, 470000, 577160, 587500, 614000, 721450, 767500, 940000, 959375, 1154320, 1175000, 1228000, 1442900, 1535000, 1803625, 1918750, 2308640, 2350000, 2885800, 3070000, 3607250, 3837500, 4700000, 5771600, 6140000, 7214500, 7675000, 9018125, 11543200, 14429000, 15350000, 18036250, 28858000, 30700000, 36072500, 45090625, 57716000, 72145000, 90181250, 144290000, 180362500, 288580000, 360725000, 721450000, 1442900000]

約数ペア:

[(1, 1442900000), (2, 721450000), (4, 360725000), (5, 288580000), (8, 180362500), (10, 144290000), (16, 90181250), (20, 72145000), (25, 57716000), (32, 45090625), (40, 36072500), (47, 30700000), (50, 28858000), (80, 18036250), (94, 15350000), (100, 14429000), (125, 11543200), (160, 9018125), (188, 7675000), (200, 7214500), (235, 6140000), (250, 5771600), (307, 4700000), (376, 3837500), (400, 3607250), (470, 3070000), (500, 2885800), (614, 2350000), (625, 2308640), (752, 1918750), (800, 1803625), (940, 1535000), (1000, 1442900), (1175, 1228000), (1228, 1175000), (1250, 1154320), (1504, 959375), (1535, 940000), (1880, 767500), (2000, 721450), (2350, 614000), (2456, 587500), (2500, 577160), (3070, 470000), (3125, 461728), (3760, 383750), (4000, 360725), (4700, 307000), (4912, 293750), (5000, 288580), (5875, 245600), (6140, 235000), (6250, 230864), (7520, 191875), (7675, 188000), (9400, 153500), (9824, 146875), (10000, 144290), (11750, 122800), (12280, 117500), (12500, 115432), (14429, 100000), (15350, 94000), (18800, 76750), (20000, 72145), (23500, 61400), (24560, 58750), (25000, 57716), (28858, 50000), (29375, 49120), (30700, 47000), (37600, 38375)]