168777620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2917}}^1$

素因数の和:3200

約数の個数: 48

約数和(自身を含む): 388257408

約数和(自身を除く): 219479788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2630, 2893, 2917, 5260, 5786, 5834, 11572, 11668, 14465, 14585, 28930, 29170, 32087, 57860, 58340, 64174, 128348, 160435, 320870, 641740, 767171, 1534342, 3068684, 3835855, 7671710, 8438881, 15343420, 16877762, 33755524, 42194405, 84388810, 168777620]

約数ペア:

[(1, 168777620), (2, 84388810), (4, 42194405), (5, 33755524), (10, 16877762), (11, 15343420), (20, 8438881), (22, 7671710), (44, 3835855), (55, 3068684), (110, 1534342), (220, 767171), (263, 641740), (526, 320870), (1052, 160435), (1315, 128348), (2630, 64174), (2893, 58340), (2917, 57860), (5260, 32087), (5786, 29170), (5834, 28930), (11572, 14585), (11668, 14465)]