2808750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 80

約数和(自身を含む): 8097408

約数和(自身を除く): 5288658

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 107, 125, 150, 175, 210, 214, 250, 321, 350, 375, 525, 535, 625, 642, 749, 750, 875, 1050, 1070, 1250, 1498, 1605, 1750, 1875, 2247, 2625, 2675, 3210, 3745, 3750, 4375, 4494, 5250, 5350, 7490, 8025, 8750, 11235, 13125, 13375, 16050, 18725, 22470, 26250, 26750, 37450, 40125, 56175, 66875, 80250, 93625, 112350, 133750, 187250, 200625, 280875, 401250, 468125, 561750, 936250, 1404375, 2808750]

約数ペア:

[(1, 2808750), (2, 1404375), (3, 936250), (5, 561750), (6, 468125), (7, 401250), (10, 280875), (14, 200625), (15, 187250), (21, 133750), (25, 112350), (30, 93625), (35, 80250), (42, 66875), (50, 56175), (70, 40125), (75, 37450), (105, 26750), (107, 26250), (125, 22470), (150, 18725), (175, 16050), (210, 13375), (214, 13125), (250, 11235), (321, 8750), (350, 8025), (375, 7490), (525, 5350), (535, 5250), (625, 4494), (642, 4375), (749, 3750), (750, 3745), (875, 3210), (1050, 2675), (1070, 2625), (1250, 2247), (1498, 1875), (1605, 1750)]