709940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 1862784

約数和(自身を除く): 1152844

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, 461, 770, 922, 1540, 1844, 2305, 3227, 4610, 5071, 6454, 9220, 10142, 12908, 16135, 20284, 25355, 32270, 35497, 50710, 64540, 70994, 101420, 141988, 177485, 354970, 709940]

約数ペア:

[(1, 709940), (2, 354970), (4, 177485), (5, 141988), (7, 101420), (10, 70994), (11, 64540), (14, 50710), (20, 35497), (22, 32270), (28, 25355), (35, 20284), (44, 16135), (55, 12908), (70, 10142), (77, 9220), (110, 6454), (140, 5071), (154, 4610), (220, 3227), (308, 2305), (385, 1844), (461, 1540), (770, 922)]