149445520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{266867}}^1$

素因数の和:266887

約数の個数: 40

約数和(自身を含む): 397099584

約数和(自身を除く): 247654064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 266867, 533734, 1067468, 1334335, 1868069, 2134936, 2668670, 3736138, 4269872, 5337340, 7472276, 9340345, 10674680, 14944552, 18680690, 21349360, 29889104, 37361380, 74722760, 149445520]

約数ペア:

[(1, 149445520), (2, 74722760), (4, 37361380), (5, 29889104), (7, 21349360), (8, 18680690), (10, 14944552), (14, 10674680), (16, 9340345), (20, 7472276), (28, 5337340), (35, 4269872), (40, 3736138), (56, 2668670), (70, 2134936), (80, 1868069), (112, 1334335), (140, 1067468), (280, 533734), (560, 266867)]