229954780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 542868480

約数和(自身を除く): 312913700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 101, 110, 131, 158, 202, 220, 262, 316, 395, 404, 505, 524, 655, 790, 869, 1010, 1111, 1310, 1441, 1580, 1738, 2020, 2222, 2620, 2882, 3476, 4345, 4444, 5555, 5764, 7205, 7979, 8690, 10349, 11110, 13231, 14410, 15958, 17380, 20698, 22220, 26462, 28820, 31916, 39895, 41396, 51745, 52924, 66155, 79790, 87769, 103490, 113839, 132310, 145541, 159580, 175538, 206980, 227678, 264620, 291082, 351076, 438845, 455356, 569195, 582164, 727705, 877690, 1045249, 1138390, 1455410, 1755380, 2090498, 2276780, 2910820, 4180996, 5226245, 10452490, 11497739, 20904980, 22995478, 45990956, 57488695, 114977390, 229954780]

約数ペア:

[(1, 229954780), (2, 114977390), (4, 57488695), (5, 45990956), (10, 22995478), (11, 20904980), (20, 11497739), (22, 10452490), (44, 5226245), (55, 4180996), (79, 2910820), (101, 2276780), (110, 2090498), (131, 1755380), (158, 1455410), (202, 1138390), (220, 1045249), (262, 877690), (316, 727705), (395, 582164), (404, 569195), (505, 455356), (524, 438845), (655, 351076), (790, 291082), (869, 264620), (1010, 227678), (1111, 206980), (1310, 175538), (1441, 159580), (1580, 145541), (1738, 132310), (2020, 113839), (2222, 103490), (2620, 87769), (2882, 79790), (3476, 66155), (4345, 52924), (4444, 51745), (5555, 41396), (5764, 39895), (7205, 31916), (7979, 28820), (8690, 26462), (10349, 22220), (11110, 20698), (13231, 17380), (14410, 15958)]