2560250

素因数分解:

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

素因数の和:61

約数の個数: 96

約数和(自身を含む): 6402240

約数和(自身を除く): 3841990

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 49, 50, 55, 70, 77, 95, 98, 110, 125, 133, 154, 175, 190, 209, 245, 250, 266, 275, 350, 385, 418, 475, 490, 539, 550, 665, 770, 875, 931, 950, 1045, 1078, 1225, 1330, 1375, 1463, 1750, 1862, 1925, 2090, 2375, 2450, 2695, 2750, 2926, 3325, 3850, 4655, 4750, 5225, 5390, 6125, 6650, 7315, 9310, 9625, 10241, 10450, 12250, 13475, 14630, 16625, 19250, 20482, 23275, 26125, 26950, 33250, 36575, 46550, 51205, 52250, 67375, 73150, 102410, 116375, 134750, 182875, 232750, 256025, 365750, 512050, 1280125, 2560250]

約数ペア:

[(1, 2560250), (2, 1280125), (5, 512050), (7, 365750), (10, 256025), (11, 232750), (14, 182875), (19, 134750), (22, 116375), (25, 102410), (35, 73150), (38, 67375), (49, 52250), (50, 51205), (55, 46550), (70, 36575), (77, 33250), (95, 26950), (98, 26125), (110, 23275), (125, 20482), (133, 19250), (154, 16625), (175, 14630), (190, 13475), (209, 12250), (245, 10450), (250, 10241), (266, 9625), (275, 9310), (350, 7315), (385, 6650), (418, 6125), (475, 5390), (490, 5225), (539, 4750), (550, 4655), (665, 3850), (770, 3325), (875, 2926), (931, 2750), (950, 2695), (1045, 2450), (1078, 2375), (1225, 2090), (1330, 1925), (1375, 1862), (1463, 1750)]