2051235550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{64403}}^1$

素因数の和:64442

約数の個数: 72

約数和(自身を含む): 4779678456

約数和(自身を除く): 2728442906

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 3185, 4550, 6370, 15925, 31850, 64403, 128806, 322015, 450821, 644030, 837239, 901642, 1610075, 1674478, 2254105, 3155747, 3220150, 4186195, 4508210, 5860673, 6311494, 8372390, 11270525, 11721346, 15778735, 20930975, 22541050, 29303365, 31557470, 41024711, 41861950, 58606730, 78893675, 82049422, 146516825, 157787350, 205123555, 293033650, 410247110, 1025617775, 2051235550]

約数ペア:

[(1, 2051235550), (2, 1025617775), (5, 410247110), (7, 293033650), (10, 205123555), (13, 157787350), (14, 146516825), (25, 82049422), (26, 78893675), (35, 58606730), (49, 41861950), (50, 41024711), (65, 31557470), (70, 29303365), (91, 22541050), (98, 20930975), (130, 15778735), (175, 11721346), (182, 11270525), (245, 8372390), (325, 6311494), (350, 5860673), (455, 4508210), (490, 4186195), (637, 3220150), (650, 3155747), (910, 2254105), (1225, 1674478), (1274, 1610075), (2275, 901642), (2450, 837239), (3185, 644030), (4550, 450821), (6370, 322015), (15925, 128806), (31850, 64403)]