3980900

素因数分解:

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

素因数の和:90

約数の個数: 108

約数和(自身を含む): 11082624

約数和(自身を除く): 7101724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 47, 50, 55, 70, 77, 94, 100, 110, 121, 140, 154, 175, 188, 220, 235, 242, 275, 308, 329, 350, 385, 470, 484, 517, 550, 605, 658, 700, 770, 847, 940, 1034, 1100, 1175, 1210, 1316, 1540, 1645, 1694, 1925, 2068, 2350, 2420, 2585, 3025, 3290, 3388, 3619, 3850, 4235, 4700, 5170, 5687, 6050, 6580, 7238, 7700, 8225, 8470, 10340, 11374, 12100, 12925, 14476, 16450, 16940, 18095, 21175, 22748, 25850, 28435, 32900, 36190, 39809, 42350, 51700, 56870, 72380, 79618, 84700, 90475, 113740, 142175, 159236, 180950, 199045, 284350, 361900, 398090, 568700, 796180, 995225, 1990450, 3980900]

約数ペア:

[(1, 3980900), (2, 1990450), (4, 995225), (5, 796180), (7, 568700), (10, 398090), (11, 361900), (14, 284350), (20, 199045), (22, 180950), (25, 159236), (28, 142175), (35, 113740), (44, 90475), (47, 84700), (50, 79618), (55, 72380), (70, 56870), (77, 51700), (94, 42350), (100, 39809), (110, 36190), (121, 32900), (140, 28435), (154, 25850), (175, 22748), (188, 21175), (220, 18095), (235, 16940), (242, 16450), (275, 14476), (308, 12925), (329, 12100), (350, 11374), (385, 10340), (470, 8470), (484, 8225), (517, 7700), (550, 7238), (605, 6580), (658, 6050), (700, 5687), (770, 5170), (847, 4700), (940, 4235), (1034, 3850), (1100, 3619), (1175, 3388), (1210, 3290), (1316, 3025), (1540, 2585), (1645, 2420), (1694, 2350), (1925, 2068)]