1250380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 2656080

約数和(自身を除く): 1405700

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 619, 1010, 1238, 2020, 2476, 3095, 6190, 12380, 62519, 125038, 250076, 312595, 625190, 1250380]

約数ペア:

[(1, 1250380), (2, 625190), (4, 312595), (5, 250076), (10, 125038), (20, 62519), (101, 12380), (202, 6190), (404, 3095), (505, 2476), (619, 2020), (1010, 1238)]