248152240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{443129}}^1$

素因数の和:443149

約数の個数: 40

約数和(自身を含む): 659377440

約数和(自身を除く): 411225200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 443129, 886258, 1772516, 2215645, 3101903, 3545032, 4431290, 6203806, 7090064, 8862580, 12407612, 15509515, 17725160, 24815224, 31019030, 35450320, 49630448, 62038060, 124076120, 248152240]

約数ペア:

[(1, 248152240), (2, 124076120), (4, 62038060), (5, 49630448), (7, 35450320), (8, 31019030), (10, 24815224), (14, 17725160), (16, 15509515), (20, 12407612), (28, 8862580), (35, 7090064), (40, 6203806), (56, 4431290), (70, 3545032), (80, 3101903), (112, 2215645), (140, 1772516), (280, 886258), (560, 443129)]