213493020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273709}}^1$

素因数の和:273734

約数の個数: 48

約数和(自身を含む): 643765920

約数和(自身を除く): 430272900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 273709, 547418, 821127, 1094836, 1368545, 1642254, 2737090, 3284508, 3558217, 4105635, 5474180, 7116434, 8211270, 10674651, 14232868, 16422540, 17791085, 21349302, 35582170, 42698604, 53373255, 71164340, 106746510, 213493020]

約数ペア:

[(1, 213493020), (2, 106746510), (3, 71164340), (4, 53373255), (5, 42698604), (6, 35582170), (10, 21349302), (12, 17791085), (13, 16422540), (15, 14232868), (20, 10674651), (26, 8211270), (30, 7116434), (39, 5474180), (52, 4105635), (60, 3558217), (65, 3284508), (78, 2737090), (130, 1642254), (156, 1368545), (195, 1094836), (260, 821127), (390, 547418), (780, 273709)]