139228460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{994489}}^1$

素因数の和:994505

約数の個数: 24

約数和(自身を含む): 334148640

約数和(自身を除く): 194920180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 994489, 1988978, 3977956, 4972445, 6961423, 9944890, 13922846, 19889780, 27845692, 34807115, 69614230, 139228460]

約数ペア:

[(1, 139228460), (2, 69614230), (4, 34807115), (5, 27845692), (7, 19889780), (10, 13922846), (14, 9944890), (20, 6961423), (28, 4972445), (35, 3977956), (70, 1988978), (140, 994489)]