1990450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 4749696

約数和(自身を除く): 2759246

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 47, 50, 55, 70, 77, 94, 110, 121, 154, 175, 235, 242, 275, 329, 350, 385, 470, 517, 550, 605, 658, 770, 847, 1034, 1175, 1210, 1645, 1694, 1925, 2350, 2585, 3025, 3290, 3619, 3850, 4235, 5170, 5687, 6050, 7238, 8225, 8470, 11374, 12925, 16450, 18095, 21175, 25850, 28435, 36190, 39809, 42350, 56870, 79618, 90475, 142175, 180950, 199045, 284350, 398090, 995225, 1990450]

約数ペア:

[(1, 1990450), (2, 995225), (5, 398090), (7, 284350), (10, 199045), (11, 180950), (14, 142175), (22, 90475), (25, 79618), (35, 56870), (47, 42350), (50, 39809), (55, 36190), (70, 28435), (77, 25850), (94, 21175), (110, 18095), (121, 16450), (154, 12925), (175, 11374), (235, 8470), (242, 8225), (275, 7238), (329, 6050), (350, 5687), (385, 5170), (470, 4235), (517, 3850), (550, 3619), (605, 3290), (658, 3025), (770, 2585), (847, 2350), (1034, 1925), (1175, 1694), (1210, 1645)]