248140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 549360

約数和(自身を除く): 301220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 653, 1306, 2612, 3265, 6530, 12407, 13060, 24814, 49628, 62035, 124070, 248140]

約数ペア:

[(1, 248140), (2, 124070), (4, 62035), (5, 49628), (10, 24814), (19, 13060), (20, 12407), (38, 6530), (76, 3265), (95, 2612), (190, 1306), (380, 653)]