85729820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1123}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 197140608

約数和(自身を除く): 111410788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1123, 1388, 1735, 2246, 3470, 3817, 4492, 5615, 6940, 7634, 11230, 12353, 15268, 19085, 22460, 24706, 38170, 49412, 61765, 76340, 123530, 247060, 389681, 779362, 1558724, 1948405, 3896810, 4286491, 7793620, 8572982, 17145964, 21432455, 42864910, 85729820]

約数ペア:

[(1, 85729820), (2, 42864910), (4, 21432455), (5, 17145964), (10, 8572982), (11, 7793620), (20, 4286491), (22, 3896810), (44, 1948405), (55, 1558724), (110, 779362), (220, 389681), (347, 247060), (694, 123530), (1123, 76340), (1388, 61765), (1735, 49412), (2246, 38170), (3470, 24706), (3817, 22460), (4492, 19085), (5615, 15268), (6940, 12353), (7634, 11230)]