31444840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112303}}^1$

素因数の和:112321

約数の個数: 32

約数和(自身を含む): 80858880

約数和(自身を除く): 49414040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112303, 224606, 449212, 561515, 786121, 898424, 1123030, 1572242, 2246060, 3144484, 3930605, 4492120, 6288968, 7861210, 15722420, 31444840]

約数ペア:

[(1, 31444840), (2, 15722420), (4, 7861210), (5, 6288968), (7, 4492120), (8, 3930605), (10, 3144484), (14, 2246060), (20, 1572242), (28, 1123030), (35, 898424), (40, 786121), (56, 561515), (70, 449212), (140, 224606), (280, 112303)]