2861250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 8247360

約数和(自身を除く): 5386110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 109, 125, 150, 175, 210, 218, 250, 327, 350, 375, 525, 545, 625, 654, 750, 763, 875, 1050, 1090, 1250, 1526, 1635, 1750, 1875, 2289, 2625, 2725, 3270, 3750, 3815, 4375, 4578, 5250, 5450, 7630, 8175, 8750, 11445, 13125, 13625, 16350, 19075, 22890, 26250, 27250, 38150, 40875, 57225, 68125, 81750, 95375, 114450, 136250, 190750, 204375, 286125, 408750, 476875, 572250, 953750, 1430625, 2861250]

約数ペア:

[(1, 2861250), (2, 1430625), (3, 953750), (5, 572250), (6, 476875), (7, 408750), (10, 286125), (14, 204375), (15, 190750), (21, 136250), (25, 114450), (30, 95375), (35, 81750), (42, 68125), (50, 57225), (70, 40875), (75, 38150), (105, 27250), (109, 26250), (125, 22890), (150, 19075), (175, 16350), (210, 13625), (218, 13125), (250, 11445), (327, 8750), (350, 8175), (375, 7630), (525, 5450), (545, 5250), (625, 4578), (654, 4375), (750, 3815), (763, 3750), (875, 3270), (1050, 2725), (1090, 2625), (1250, 2289), (1526, 1875), (1635, 1750)]