2276780

素因数分解:

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

素因数の和:230

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3045460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 131, 158, 220, 262, 316, 395, 524, 655, 790, 869, 1310, 1441, 1580, 1738, 2620, 2882, 3476, 4345, 5764, 7205, 8690, 10349, 14410, 17380, 20698, 28820, 41396, 51745, 103490, 113839, 206980, 227678, 455356, 569195, 1138390, 2276780]

約数ペア:

[(1, 2276780), (2, 1138390), (4, 569195), (5, 455356), (10, 227678), (11, 206980), (20, 113839), (22, 103490), (44, 51745), (55, 41396), (79, 28820), (110, 20698), (131, 17380), (158, 14410), (220, 10349), (262, 8690), (316, 7205), (395, 5764), (524, 4345), (655, 3476), (790, 2882), (869, 2620), (1310, 1738), (1441, 1580)]