38919860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277999}}^1$

素因数の和:278015

約数の個数: 24

約数和(自身を含む): 93408000

約数和(自身を除く): 54488140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277999, 555998, 1111996, 1389995, 1945993, 2779990, 3891986, 5559980, 7783972, 9729965, 19459930, 38919860]

約数ペア:

[(1, 38919860), (2, 19459930), (4, 9729965), (5, 7783972), (7, 5559980), (10, 3891986), (14, 2779990), (20, 1945993), (28, 1389995), (35, 1111996), (70, 555998), (140, 277999)]