123408740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67807}}^1$

素因数の和:67836

約数の個数: 48

約数和(自身を含む): 318968832

約数和(自身を除く): 195560092

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, 67807, 135614, 271228, 339035, 474649, 678070, 881491, 949298, 1356140, 1762982, 1898596, 2373245, 3525964, 4407455, 4746490, 6170437, 8814910, 9492980, 12340874, 17629820, 24681748, 30852185, 61704370, 123408740]

約数ペア:

[(1, 123408740), (2, 61704370), (4, 30852185), (5, 24681748), (7, 17629820), (10, 12340874), (13, 9492980), (14, 8814910), (20, 6170437), (26, 4746490), (28, 4407455), (35, 3525964), (52, 2373245), (65, 1898596), (70, 1762982), (91, 1356140), (130, 949298), (140, 881491), (182, 678070), (260, 474649), (364, 339035), (455, 271228), (910, 135614), (1820, 67807)]