12813304900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401671}}^1$

素因数の和:401725

約数の個数: 72

約数和(自身を含む): 31378616640

約数和(自身を除く): 18565311740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 31900, 401671, 803342, 1606684, 2008355, 4016710, 4418381, 8033420, 8836762, 10041775, 11648459, 17673524, 20083550, 22091905, 23296918, 40167100, 44183810, 46593836, 58242295, 88367620, 110459525, 116484590, 128133049, 220919050, 232969180, 256266098, 291211475, 441838100, 512532196, 582422950, 640665245, 1164845900, 1281330490, 2562660980, 3203326225, 6406652450, 12813304900]

約数ペア:

[(1, 12813304900), (2, 6406652450), (4, 3203326225), (5, 2562660980), (10, 1281330490), (11, 1164845900), (20, 640665245), (22, 582422950), (25, 512532196), (29, 441838100), (44, 291211475), (50, 256266098), (55, 232969180), (58, 220919050), (100, 128133049), (110, 116484590), (116, 110459525), (145, 88367620), (220, 58242295), (275, 46593836), (290, 44183810), (319, 40167100), (550, 23296918), (580, 22091905), (638, 20083550), (725, 17673524), (1100, 11648459), (1276, 10041775), (1450, 8836762), (1595, 8033420), (2900, 4418381), (3190, 4016710), (6380, 2008355), (7975, 1606684), (15950, 803342), (31900, 401671)]