28087500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 66406452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 107, 125, 140, 150, 175, 210, 214, 250, 300, 321, 350, 375, 420, 428, 500, 525, 535, 625, 642, 700, 749, 750, 875, 1050, 1070, 1250, 1284, 1498, 1500, 1605, 1750, 1875, 2100, 2140, 2247, 2500, 2625, 2675, 2996, 3125, 3210, 3500, 3745, 3750, 4375, 4494, 5250, 5350, 6250, 6420, 7490, 7500, 8025, 8750, 8988, 9375, 10500, 10700, 11235, 12500, 13125, 13375, 14980, 16050, 17500, 18725, 18750, 21875, 22470, 26250, 26750, 32100, 37450, 37500, 40125, 43750, 44940, 52500, 53500, 56175, 65625, 66875, 74900, 80250, 87500, 93625, 112350, 131250, 133750, 160500, 187250, 200625, 224700, 262500, 267500, 280875, 334375, 374500, 401250, 468125, 561750, 668750, 802500, 936250, 1003125, 1123500, 1337500, 1404375, 1872500, 2006250, 2340625, 2808750, 4012500, 4681250, 5617500, 7021875, 9362500, 14043750, 28087500]

約数ペア:

[(1, 28087500), (2, 14043750), (3, 9362500), (4, 7021875), (5, 5617500), (6, 4681250), (7, 4012500), (10, 2808750), (12, 2340625), (14, 2006250), (15, 1872500), (20, 1404375), (21, 1337500), (25, 1123500), (28, 1003125), (30, 936250), (35, 802500), (42, 668750), (50, 561750), (60, 468125), (70, 401250), (75, 374500), (84, 334375), (100, 280875), (105, 267500), (107, 262500), (125, 224700), (140, 200625), (150, 187250), (175, 160500), (210, 133750), (214, 131250), (250, 112350), (300, 93625), (321, 87500), (350, 80250), (375, 74900), (420, 66875), (428, 65625), (500, 56175), (525, 53500), (535, 52500), (625, 44940), (642, 43750), (700, 40125), (749, 37500), (750, 37450), (875, 32100), (1050, 26750), (1070, 26250), (1250, 22470), (1284, 21875), (1498, 18750), (1500, 18725), (1605, 17500), (1750, 16050), (1875, 14980), (2100, 13375), (2140, 13125), (2247, 12500), (2500, 11235), (2625, 10700), (2675, 10500), (2996, 9375), (3125, 8988), (3210, 8750), (3500, 8025), (3745, 7500), (3750, 7490), (4375, 6420), (4494, 6250), (5250, 5350)]