30428711780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1\times {\mathrm{11279}}^1$

素因数の和:14468

約数の個数: 48

約数和(自身を含む): 65412990720

約数和(自身を除く): 34984278940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3137, 6274, 11279, 12548, 15685, 22558, 31370, 45116, 56395, 62740, 112790, 134891, 225580, 269782, 484997, 539564, 674455, 969994, 1348910, 1939988, 2424985, 2697820, 4849970, 9699940, 35382223, 70764446, 141528892, 176911115, 353822230, 707644460, 1521435589, 3042871178, 6085742356, 7607177945, 15214355890, 30428711780]

約数ペア:

[(1, 30428711780), (2, 15214355890), (4, 7607177945), (5, 6085742356), (10, 3042871178), (20, 1521435589), (43, 707644460), (86, 353822230), (172, 176911115), (215, 141528892), (430, 70764446), (860, 35382223), (3137, 9699940), (6274, 4849970), (11279, 2697820), (12548, 2424985), (15685, 1939988), (22558, 1348910), (31370, 969994), (45116, 674455), (56395, 539564), (62740, 484997), (112790, 269782), (134891, 225580)]