8249780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 21807744

約数和(自身を除く): 13557964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 487, 605, 770, 847, 974, 1210, 1540, 1694, 1948, 2420, 2435, 3388, 3409, 4235, 4870, 5357, 6818, 8470, 9740, 10714, 13636, 16940, 17045, 21428, 26785, 34090, 37499, 53570, 58927, 68180, 74998, 107140, 117854, 149996, 187495, 235708, 294635, 374990, 412489, 589270, 749980, 824978, 1178540, 1649956, 2062445, 4124890, 8249780]

約数ペア:

[(1, 8249780), (2, 4124890), (4, 2062445), (5, 1649956), (7, 1178540), (10, 824978), (11, 749980), (14, 589270), (20, 412489), (22, 374990), (28, 294635), (35, 235708), (44, 187495), (55, 149996), (70, 117854), (77, 107140), (110, 74998), (121, 68180), (140, 58927), (154, 53570), (220, 37499), (242, 34090), (308, 26785), (385, 21428), (484, 17045), (487, 16940), (605, 13636), (770, 10714), (847, 9740), (974, 8470), (1210, 6818), (1540, 5357), (1694, 4870), (1948, 4235), (2420, 3409), (2435, 3388)]