156931460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1120939}}^1$

素因数の和:1120955

約数の個数: 24

約数和(自身を含む): 376635840

約数和(自身を除く): 219704380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1120939, 2241878, 4483756, 5604695, 7846573, 11209390, 15693146, 22418780, 31386292, 39232865, 78465730, 156931460]

約数ペア:

[(1, 156931460), (2, 78465730), (4, 39232865), (5, 31386292), (7, 22418780), (10, 15693146), (14, 11209390), (20, 7846573), (28, 5604695), (35, 4483756), (70, 2241878), (140, 1120939)]