31008460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221489}}^1$

素因数の和:221505

約数の個数: 24

約数和(自身を含む): 74420640

約数和(自身を除く): 43412180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221489, 442978, 885956, 1107445, 1550423, 2214890, 3100846, 4429780, 6201692, 7752115, 15504230, 31008460]

約数ペア:

[(1, 31008460), (2, 15504230), (4, 7752115), (5, 6201692), (7, 4429780), (10, 3100846), (14, 2214890), (20, 1550423), (28, 1107445), (35, 885956), (70, 442978), (140, 221489)]