2013142780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{115831}}^1$

素因数の和:115930

約数の個数: 48

約数和(自身を含む): 4670346240

約数和(自身を除く): 2657203460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 115831, 231662, 463324, 579155, 1158310, 1274141, 2316620, 2548282, 5096564, 6370705, 9150649, 12741410, 18301298, 25482820, 36602596, 45753245, 91506490, 100657139, 183012980, 201314278, 402628556, 503285695, 1006571390, 2013142780]

約数ペア:

[(1, 2013142780), (2, 1006571390), (4, 503285695), (5, 402628556), (10, 201314278), (11, 183012980), (20, 100657139), (22, 91506490), (44, 45753245), (55, 36602596), (79, 25482820), (110, 18301298), (158, 12741410), (220, 9150649), (316, 6370705), (395, 5096564), (790, 2548282), (869, 2316620), (1580, 1274141), (1738, 1158310), (3476, 579155), (4345, 463324), (8690, 231662), (17380, 115831)]