261083480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{932441}}^1$

素因数の和:932459

約数の個数: 32

約数和(自身を含む): 671358240

約数和(自身を除く): 410274760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 932441, 1864882, 3729764, 4662205, 6527087, 7459528, 9324410, 13054174, 18648820, 26108348, 32635435, 37297640, 52216696, 65270870, 130541740, 261083480]

約数ペア:

[(1, 261083480), (2, 130541740), (4, 65270870), (5, 52216696), (7, 37297640), (8, 32635435), (10, 26108348), (14, 18648820), (20, 13054174), (28, 9324410), (35, 7459528), (40, 6527087), (56, 4662205), (70, 3729764), (140, 1864882), (280, 932441)]