275380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 675108

約数和(自身を除く): 399728

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 490, 562, 980, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 13769, 19670, 27538, 39340, 55076, 68845, 137690, 275380]

約数ペア:

[(1, 275380), (2, 137690), (4, 68845), (5, 55076), (7, 39340), (10, 27538), (14, 19670), (20, 13769), (28, 9835), (35, 7868), (49, 5620), (70, 3934), (98, 2810), (140, 1967), (196, 1405), (245, 1124), (281, 980), (490, 562)]