220151876

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 459043200

約数和(自身を除く): 238891324

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 203, 274, 406, 548, 812, 959, 1918, 1979, 3836, 3958, 3973, 7916, 7946, 13853, 15892, 27706, 27811, 55412, 55622, 57391, 111244, 114782, 229564, 271123, 401737, 542246, 803474, 1084492, 1606948, 1897861, 3795722, 7591444, 7862567, 15725134, 31450268, 55037969, 110075938, 220151876]

約数ペア:

[(1, 220151876), (2, 110075938), (4, 55037969), (7, 31450268), (14, 15725134), (28, 7862567), (29, 7591444), (58, 3795722), (116, 1897861), (137, 1606948), (203, 1084492), (274, 803474), (406, 542246), (548, 401737), (812, 271123), (959, 229564), (1918, 114782), (1979, 111244), (3836, 57391), (3958, 55622), (3973, 55412), (7916, 27811), (7946, 27706), (13853, 15892)]