390948740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{214807}}^1$

素因数の和:214836

約数の個数: 48

約数和(自身を含む): 1010456832

約数和(自身を除く): 619508092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 214807, 429614, 859228, 1074035, 1503649, 2148070, 2792491, 3007298, 4296140, 5584982, 6014596, 7518245, 11169964, 13962455, 15036490, 19547437, 27924910, 30072980, 39094874, 55849820, 78189748, 97737185, 195474370, 390948740]

約数ペア:

[(1, 390948740), (2, 195474370), (4, 97737185), (5, 78189748), (7, 55849820), (10, 39094874), (13, 30072980), (14, 27924910), (20, 19547437), (26, 15036490), (28, 13962455), (35, 11169964), (52, 7518245), (65, 6014596), (70, 5584982), (91, 4296140), (130, 3007298), (140, 2792491), (182, 2148070), (260, 1503649), (364, 1074035), (455, 859228), (910, 429614), (1820, 214807)]