42781060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 103057920

約数和(自身を除く): 60276860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 709, 862, 1418, 1724, 2155, 2836, 3017, 3545, 4310, 4963, 6034, 7090, 8620, 9926, 12068, 14180, 15085, 19852, 24815, 30170, 49630, 60340, 99260, 305579, 611158, 1222316, 1527895, 2139053, 3055790, 4278106, 6111580, 8556212, 10695265, 21390530, 42781060]

約数ペア:

[(1, 42781060), (2, 21390530), (4, 10695265), (5, 8556212), (7, 6111580), (10, 4278106), (14, 3055790), (20, 2139053), (28, 1527895), (35, 1222316), (70, 611158), (140, 305579), (431, 99260), (709, 60340), (862, 49630), (1418, 30170), (1724, 24815), (2155, 19852), (2836, 15085), (3017, 14180), (3545, 12068), (4310, 9926), (4963, 8620), (6034, 7090)]