205870280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66841}}^1$

素因数の和:66870

約数の個数: 64

約数和(自身を含む): 577514880

約数和(自身を除く): 371644600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 66841, 133682, 267364, 334205, 467887, 534728, 668410, 735251, 935774, 1336820, 1470502, 1871548, 2339435, 2673640, 2941004, 3676255, 3743096, 4678870, 5146757, 5882008, 7352510, 9357740, 10293514, 14705020, 18715480, 20587028, 25733785, 29410040, 41174056, 51467570, 102935140, 205870280]

約数ペア:

[(1, 205870280), (2, 102935140), (4, 51467570), (5, 41174056), (7, 29410040), (8, 25733785), (10, 20587028), (11, 18715480), (14, 14705020), (20, 10293514), (22, 9357740), (28, 7352510), (35, 5882008), (40, 5146757), (44, 4678870), (55, 3743096), (56, 3676255), (70, 2941004), (77, 2673640), (88, 2339435), (110, 1871548), (140, 1470502), (154, 1336820), (220, 935774), (280, 735251), (308, 668410), (385, 534728), (440, 467887), (616, 334205), (770, 267364), (1540, 133682), (3080, 66841)]