12801250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 120

約数和(自身を含む): 32052240

約数和(自身を除く): 19250990

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, 625, 665, 770, 875, 931, 950, 1045, 1078, 1225, 1250, 1330, 1375, 1463, 1750, 1862, 1925, 2090, 2375, 2450, 2695, 2750, 2926, 3325, 3850, 4375, 4655, 4750, 5225, 5390, 6125, 6650, 6875, 7315, 8750, 9310, 9625, 10241, 10450, 11875, 12250, 13475, 13750, 14630, 16625, 19250, 20482, 23275, 23750, 26125, 26950, 30625, 33250, 36575, 46550, 48125, 51205, 52250, 61250, 67375, 73150, 83125, 96250, 102410, 116375, 130625, 134750, 166250, 182875, 232750, 256025, 261250, 336875, 365750, 512050, 581875, 673750, 914375, 1163750, 1280125, 1828750, 2560250, 6400625, 12801250]

約数ペア:

[(1, 12801250), (2, 6400625), (5, 2560250), (7, 1828750), (10, 1280125), (11, 1163750), (14, 914375), (19, 673750), (22, 581875), (25, 512050), (35, 365750), (38, 336875), (49, 261250), (50, 256025), (55, 232750), (70, 182875), (77, 166250), (95, 134750), (98, 130625), (110, 116375), (125, 102410), (133, 96250), (154, 83125), (175, 73150), (190, 67375), (209, 61250), (245, 52250), (250, 51205), (266, 48125), (275, 46550), (350, 36575), (385, 33250), (418, 30625), (475, 26950), (490, 26125), (539, 23750), (550, 23275), (625, 20482), (665, 19250), (770, 16625), (875, 14630), (931, 13750), (950, 13475), (1045, 12250), (1078, 11875), (1225, 10450), (1250, 10241), (1330, 9625), (1375, 9310), (1463, 8750), (1750, 7315), (1862, 6875), (1925, 6650), (2090, 6125), (2375, 5390), (2450, 5225), (2695, 4750), (2750, 4655), (2926, 4375), (3325, 3850)]