156939020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1120993}}^1$

素因数の和:1121009

約数の個数: 24

約数和(自身を含む): 376653984

約数和(自身を除く): 219714964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1120993, 2241986, 4483972, 5604965, 7846951, 11209930, 15693902, 22419860, 31387804, 39234755, 78469510, 156939020]

約数ペア:

[(1, 156939020), (2, 78469510), (4, 39234755), (5, 31387804), (7, 22419860), (10, 15693902), (14, 11209930), (20, 7846951), (28, 5604965), (35, 4483972), (70, 2241986), (140, 1120993)]