55438180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9209}}^1$

素因数の和:9268

約数の個数: 48

約数和(自身を含む): 136160640

約数和(自身を除く): 80722460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 9209, 18418, 36836, 46045, 64463, 92090, 128926, 184180, 257852, 322315, 395987, 644630, 791974, 1289260, 1583948, 1979935, 2771909, 3959870, 5543818, 7919740, 11087636, 13859545, 27719090, 55438180]

約数ペア:

[(1, 55438180), (2, 27719090), (4, 13859545), (5, 11087636), (7, 7919740), (10, 5543818), (14, 3959870), (20, 2771909), (28, 1979935), (35, 1583948), (43, 1289260), (70, 791974), (86, 644630), (140, 395987), (172, 322315), (215, 257852), (301, 184180), (430, 128926), (602, 92090), (860, 64463), (1204, 46045), (1505, 36836), (3010, 18418), (6020, 9209)]