304877820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{390869}}^1$

素因数の和:390894

約数の個数: 48

約数和(自身を含む): 919326240

約数和(自身を除く): 614448420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 390869, 781738, 1172607, 1563476, 1954345, 2345214, 3908690, 4690428, 5081297, 5863035, 7817380, 10162594, 11726070, 15243891, 20325188, 23452140, 25406485, 30487782, 50812970, 60975564, 76219455, 101625940, 152438910, 304877820]

約数ペア:

[(1, 304877820), (2, 152438910), (3, 101625940), (4, 76219455), (5, 60975564), (6, 50812970), (10, 30487782), (12, 25406485), (13, 23452140), (15, 20325188), (20, 15243891), (26, 11726070), (30, 10162594), (39, 7817380), (52, 5863035), (60, 5081297), (65, 4690428), (78, 3908690), (130, 2345214), (156, 1954345), (195, 1563476), (260, 1172607), (390, 781738), (780, 390869)]