641740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 1470672

約数和(自身を除く): 828932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2917, 5834, 11668, 14585, 29170, 32087, 58340, 64174, 128348, 160435, 320870, 641740]

約数ペア:

[(1, 641740), (2, 320870), (4, 160435), (5, 128348), (10, 64174), (11, 58340), (20, 32087), (22, 29170), (44, 14585), (55, 11668), (110, 5834), (220, 2917)]