90062420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643303}}^1$

素因数の和:643319

約数の個数: 24

約数和(自身を含む): 216150144

約数和(自身を除く): 126087724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643303, 1286606, 2573212, 3216515, 4503121, 6433030, 9006242, 12866060, 18012484, 22515605, 45031210, 90062420]

約数ペア:

[(1, 90062420), (2, 45031210), (4, 22515605), (5, 18012484), (7, 12866060), (10, 9006242), (14, 6433030), (20, 4503121), (28, 3216515), (35, 2573212), (70, 1286606), (140, 643303)]