2492180

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^2$

素因数の和:715

約数の個数: 18

約数和(自身を含む): 5248446

約数和(自身を除く): 2756266

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 124609, 249218, 498436, 623045, 1246090, 2492180]

約数ペア:

[(1, 2492180), (2, 1246090), (4, 623045), (5, 498436), (10, 249218), (20, 124609), (353, 7060), (706, 3530), (1412, 1765)]