377679995

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 578220768

約数和(自身を除く): 200540773

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 353, 385, 397, 539, 1765, 1985, 2471, 2695, 2779, 3883, 4367, 12355, 13895, 17297, 19415, 19453, 21835, 27181, 30569, 86485, 97265, 135905, 140141, 152845, 190267, 213983, 700705, 951335, 980987, 1069915, 1541551, 4904935, 6866909, 7707755, 10790857, 34334545, 53954285, 75535999, 377679995]

約数ペア:

[(1, 377679995), (5, 75535999), (7, 53954285), (11, 34334545), (35, 10790857), (49, 7707755), (55, 6866909), (77, 4904935), (245, 1541551), (353, 1069915), (385, 980987), (397, 951335), (539, 700705), (1765, 213983), (1985, 190267), (2471, 152845), (2695, 140141), (2779, 135905), (3883, 97265), (4367, 86485), (12355, 30569), (13895, 27181), (17297, 21835), (19415, 19453)]