321398140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{5479}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 773337600

約数和(自身を除く): 451939460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 1676, 2095, 2933, 4190, 5479, 5866, 8380, 10958, 11732, 14665, 21916, 27395, 29330, 38353, 54790, 58660, 76706, 109580, 153412, 191765, 383530, 767060, 2295701, 4591402, 9182804, 11478505, 16069907, 22957010, 32139814, 45914020, 64279628, 80349535, 160699070, 321398140]

約数ペア:

[(1, 321398140), (2, 160699070), (4, 80349535), (5, 64279628), (7, 45914020), (10, 32139814), (14, 22957010), (20, 16069907), (28, 11478505), (35, 9182804), (70, 4591402), (140, 2295701), (419, 767060), (838, 383530), (1676, 191765), (2095, 153412), (2933, 109580), (4190, 76706), (5479, 58660), (5866, 54790), (8380, 38353), (10958, 29330), (11732, 27395), (14665, 21916)]