28204140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1697}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 79303392

約数和(自身を除く): 51099252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 1697, 2770, 3324, 3394, 4155, 5091, 5540, 6788, 8310, 8485, 10182, 16620, 16970, 20364, 25455, 33940, 50910, 101820, 470069, 940138, 1410207, 1880276, 2350345, 2820414, 4700690, 5640828, 7051035, 9401380, 14102070, 28204140]

約数ペア:

[(1, 28204140), (2, 14102070), (3, 9401380), (4, 7051035), (5, 5640828), (6, 4700690), (10, 2820414), (12, 2350345), (15, 1880276), (20, 1410207), (30, 940138), (60, 470069), (277, 101820), (554, 50910), (831, 33940), (1108, 25455), (1385, 20364), (1662, 16970), (1697, 16620), (2770, 10182), (3324, 8485), (3394, 8310), (4155, 6788), (5091, 5540)]