2078459740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{3733}}^1$

素因数の和:3887

約数の個数: 96

約数和(自身を含む): 5164032384

約数和(自身を除く): 3085572644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 97, 140, 164, 194, 205, 287, 388, 410, 485, 574, 679, 820, 970, 1148, 1358, 1435, 1940, 2716, 2870, 3395, 3733, 3977, 5740, 6790, 7466, 7954, 13580, 14932, 15908, 18665, 19885, 26131, 27839, 37330, 39770, 52262, 55678, 74660, 79540, 104524, 111356, 130655, 139195, 153053, 261310, 278390, 306106, 362101, 522620, 556780, 612212, 724202, 765265, 1071371, 1448404, 1530530, 1810505, 2142742, 2534707, 3061060, 3621010, 4285484, 5069414, 5356855, 7242020, 10138828, 10713710, 12673535, 14846141, 21427420, 25347070, 29692282, 50694140, 59384564, 74230705, 103922987, 148461410, 207845974, 296922820, 415691948, 519614935, 1039229870, 2078459740]

約数ペア:

[(1, 2078459740), (2, 1039229870), (4, 519614935), (5, 415691948), (7, 296922820), (10, 207845974), (14, 148461410), (20, 103922987), (28, 74230705), (35, 59384564), (41, 50694140), (70, 29692282), (82, 25347070), (97, 21427420), (140, 14846141), (164, 12673535), (194, 10713710), (205, 10138828), (287, 7242020), (388, 5356855), (410, 5069414), (485, 4285484), (574, 3621010), (679, 3061060), (820, 2534707), (970, 2142742), (1148, 1810505), (1358, 1530530), (1435, 1448404), (1940, 1071371), (2716, 765265), (2870, 724202), (3395, 612212), (3733, 556780), (3977, 522620), (5740, 362101), (6790, 306106), (7466, 278390), (7954, 261310), (13580, 153053), (14932, 139195), (15908, 130655), (18665, 111356), (19885, 104524), (26131, 79540), (27839, 74660), (37330, 55678), (39770, 52262)]