215601980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14627}}^1$

素因数の和:14714

約数の個数: 48

約数和(自身を含む): 501330816

約数和(自身を除く): 285728836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 7370, 14627, 14740, 29254, 58508, 73135, 146270, 160897, 292540, 321794, 643588, 804485, 980009, 1608970, 1960018, 3217940, 3920036, 4900045, 9800090, 10780099, 19600180, 21560198, 43120396, 53900495, 107800990, 215601980]

約数ペア:

[(1, 215601980), (2, 107800990), (4, 53900495), (5, 43120396), (10, 21560198), (11, 19600180), (20, 10780099), (22, 9800090), (44, 4900045), (55, 3920036), (67, 3217940), (110, 1960018), (134, 1608970), (220, 980009), (268, 804485), (335, 643588), (670, 321794), (737, 292540), (1340, 160897), (1474, 146270), (2948, 73135), (3685, 58508), (7370, 29254), (14627, 14740)]