38919020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277993}}^1$

素因数の和:278009

約数の個数: 24

約数和(自身を含む): 93405984

約数和(自身を除く): 54486964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277993, 555986, 1111972, 1389965, 1945951, 2779930, 3891902, 5559860, 7783804, 9729755, 19459510, 38919020]

約数ペア:

[(1, 38919020), (2, 19459510), (4, 9729755), (5, 7783804), (7, 5559860), (10, 3891902), (14, 2779930), (20, 1945951), (28, 1389965), (35, 1111972), (70, 555986), (140, 277993)]