2019687020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{267863}}^1$

素因数の和:267914

約数の個数: 48

約数和(自身を含む): 4725120960

約数和(自身を除く): 2705433940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 267863, 535726, 1071452, 1339315, 2678630, 3482219, 5357260, 6964438, 7768027, 13928876, 15536054, 17411095, 31072108, 34822190, 38840135, 69644380, 77680270, 100984351, 155360540, 201968702, 403937404, 504921755, 1009843510, 2019687020]

約数ペア:

[(1, 2019687020), (2, 1009843510), (4, 504921755), (5, 403937404), (10, 201968702), (13, 155360540), (20, 100984351), (26, 77680270), (29, 69644380), (52, 38840135), (58, 34822190), (65, 31072108), (116, 17411095), (130, 15536054), (145, 13928876), (260, 7768027), (290, 6964438), (377, 5357260), (580, 3482219), (754, 2678630), (1508, 1339315), (1885, 1071452), (3770, 535726), (7540, 267863)]