28071750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{5347}}^1$

素因数の和:5374

約数の個数: 64

約数和(自身を含む): 80091648

約数和(自身を除く): 52019898

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 5347, 10694, 16041, 26735, 32082, 37429, 53470, 74858, 80205, 112287, 133675, 160410, 187145, 224574, 267350, 374290, 401025, 561435, 668375, 802050, 935725, 1122870, 1336750, 1871450, 2005125, 2807175, 4010250, 4678625, 5614350, 9357250, 14035875, 28071750]

約数ペア:

[(1, 28071750), (2, 14035875), (3, 9357250), (5, 5614350), (6, 4678625), (7, 4010250), (10, 2807175), (14, 2005125), (15, 1871450), (21, 1336750), (25, 1122870), (30, 935725), (35, 802050), (42, 668375), (50, 561435), (70, 401025), (75, 374290), (105, 267350), (125, 224574), (150, 187145), (175, 160410), (210, 133675), (250, 112287), (350, 80205), (375, 74858), (525, 53470), (750, 37429), (875, 32082), (1050, 26735), (1750, 16041), (2625, 10694), (5250, 5347)]