215709340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140071}}^1$

素因数の和:140098

約数の個数: 48

約数和(自身を含む): 564770304

約数和(自身を除く): 349060964

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 140071, 280142, 560284, 700355, 980497, 1400710, 1540781, 1960994, 2801420, 3081562, 3921988, 4902485, 6163124, 7703905, 9804970, 10785467, 15407810, 19609940, 21570934, 30815620, 43141868, 53927335, 107854670, 215709340]

約数ペア:

[(1, 215709340), (2, 107854670), (4, 53927335), (5, 43141868), (7, 30815620), (10, 21570934), (11, 19609940), (14, 15407810), (20, 10785467), (22, 9804970), (28, 7703905), (35, 6163124), (44, 4902485), (55, 3921988), (70, 3081562), (77, 2801420), (110, 1960994), (140, 1540781), (154, 1400710), (220, 980497), (308, 700355), (385, 560284), (770, 280142), (1540, 140071)]