268240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{479}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 714240

約数和(自身を除く): 446000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 479, 560, 958, 1916, 2395, 3353, 3832, 4790, 6706, 7664, 9580, 13412, 16765, 19160, 26824, 33530, 38320, 53648, 67060, 134120, 268240]

約数ペア:

[(1, 268240), (2, 134120), (4, 67060), (5, 53648), (7, 38320), (8, 33530), (10, 26824), (14, 19160), (16, 16765), (20, 13412), (28, 9580), (35, 7664), (40, 6706), (56, 4790), (70, 3832), (80, 3353), (112, 2395), (140, 1916), (280, 958), (479, 560)]