28162750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 70958160

約数和(自身を除く): 42795410

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 49, 50, 55, 70, 77, 95, 98, 110, 121, 125, 133, 154, 175, 190, 209, 242, 245, 250, 266, 275, 350, 385, 418, 475, 490, 539, 550, 605, 665, 770, 847, 875, 931, 950, 1045, 1078, 1210, 1225, 1330, 1375, 1463, 1694, 1750, 1862, 1925, 2090, 2299, 2375, 2450, 2695, 2750, 2926, 3025, 3325, 3850, 4235, 4598, 4655, 4750, 5225, 5390, 5929, 6050, 6125, 6650, 7315, 8470, 9310, 9625, 10241, 10450, 11495, 11858, 12250, 13475, 14630, 15125, 16093, 16625, 19250, 20482, 21175, 22990, 23275, 26125, 26950, 29645, 30250, 32186, 33250, 36575, 42350, 46550, 51205, 52250, 57475, 59290, 67375, 73150, 80465, 102410, 105875, 112651, 114950, 116375, 134750, 148225, 160930, 182875, 211750, 225302, 232750, 256025, 287375, 296450, 365750, 402325, 512050, 563255, 574750, 741125, 804650, 1126510, 1280125, 1482250, 2011625, 2560250, 2816275, 4023250, 5632550, 14081375, 28162750]

約数ペア:

[(1, 28162750), (2, 14081375), (5, 5632550), (7, 4023250), (10, 2816275), (11, 2560250), (14, 2011625), (19, 1482250), (22, 1280125), (25, 1126510), (35, 804650), (38, 741125), (49, 574750), (50, 563255), (55, 512050), (70, 402325), (77, 365750), (95, 296450), (98, 287375), (110, 256025), (121, 232750), (125, 225302), (133, 211750), (154, 182875), (175, 160930), (190, 148225), (209, 134750), (242, 116375), (245, 114950), (250, 112651), (266, 105875), (275, 102410), (350, 80465), (385, 73150), (418, 67375), (475, 59290), (490, 57475), (539, 52250), (550, 51205), (605, 46550), (665, 42350), (770, 36575), (847, 33250), (875, 32186), (931, 30250), (950, 29645), (1045, 26950), (1078, 26125), (1210, 23275), (1225, 22990), (1330, 21175), (1375, 20482), (1463, 19250), (1694, 16625), (1750, 16093), (1862, 15125), (1925, 14630), (2090, 13475), (2299, 12250), (2375, 11858), (2450, 11495), (2695, 10450), (2750, 10241), (2926, 9625), (3025, 9310), (3325, 8470), (3850, 7315), (4235, 6650), (4598, 6125), (4655, 6050), (4750, 5929), (5225, 5390)]