2019547090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 4018481280

約数和(自身を除く): 1998934190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 269, 521, 538, 655, 1042, 1310, 1345, 1441, 2605, 2690, 2882, 2959, 5210, 5731, 5918, 7205, 11462, 14410, 14795, 28655, 29590, 35239, 57310, 68251, 70478, 136502, 140149, 176195, 280298, 341255, 352390, 387629, 682510, 700745, 750761, 775258, 1401490, 1501522, 1541639, 1938145, 3083278, 3753805, 3876290, 7507610, 7708195, 15416390, 18359519, 36719038, 91797595, 183595190, 201954709, 403909418, 1009773545, 2019547090]

約数ペア:

[(1, 2019547090), (2, 1009773545), (5, 403909418), (10, 201954709), (11, 183595190), (22, 91797595), (55, 36719038), (110, 18359519), (131, 15416390), (262, 7708195), (269, 7507610), (521, 3876290), (538, 3753805), (655, 3083278), (1042, 1938145), (1310, 1541639), (1345, 1501522), (1441, 1401490), (2605, 775258), (2690, 750761), (2882, 700745), (2959, 682510), (5210, 387629), (5731, 352390), (5918, 341255), (7205, 280298), (11462, 176195), (14410, 140149), (14795, 136502), (28655, 70478), (29590, 68251), (35239, 57310)]