2528680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 7102080

約数和(自身を除く): 4573400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 821, 1540, 1642, 3080, 3284, 4105, 5747, 6568, 8210, 9031, 11494, 16420, 18062, 22988, 28735, 32840, 36124, 45155, 45976, 57470, 63217, 72248, 90310, 114940, 126434, 180620, 229880, 252868, 316085, 361240, 505736, 632170, 1264340, 2528680]

約数ペア:

[(1, 2528680), (2, 1264340), (4, 632170), (5, 505736), (7, 361240), (8, 316085), (10, 252868), (11, 229880), (14, 180620), (20, 126434), (22, 114940), (28, 90310), (35, 72248), (40, 63217), (44, 57470), (55, 45976), (56, 45155), (70, 36124), (77, 32840), (88, 28735), (110, 22988), (140, 18062), (154, 16420), (220, 11494), (280, 9031), (308, 8210), (385, 6568), (440, 5747), (616, 4105), (770, 3284), (821, 3080), (1540, 1642)]