867380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 1881600

約数和(自身を除く): 1014220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1399, 2798, 5596, 6995, 13990, 27980, 43369, 86738, 173476, 216845, 433690, 867380]

約数ペア:

[(1, 867380), (2, 433690), (4, 216845), (5, 173476), (10, 86738), (20, 43369), (31, 27980), (62, 13990), (124, 6995), (155, 5596), (310, 2798), (620, 1399)]