286180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 617400

約数和(自身を除く): 331220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 349, 410, 698, 820, 1396, 1745, 3490, 6980, 14309, 28618, 57236, 71545, 143090, 286180]

約数ペア:

[(1, 286180), (2, 143090), (4, 71545), (5, 57236), (10, 28618), (20, 14309), (41, 6980), (82, 3490), (164, 1745), (205, 1396), (349, 820), (410, 698)]