213450440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 575769600

約数和(自身を除く): 362319160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 97, 116, 140, 145, 194, 203, 232, 271, 280, 290, 388, 406, 485, 542, 580, 679, 776, 812, 970, 1015, 1084, 1160, 1355, 1358, 1624, 1897, 1940, 2030, 2168, 2710, 2716, 2813, 3395, 3794, 3880, 4060, 5420, 5432, 5626, 6790, 7588, 7859, 8120, 9485, 10840, 11252, 13580, 14065, 15176, 15718, 18970, 19691, 22504, 26287, 27160, 28130, 31436, 37940, 39295, 39382, 52574, 55013, 56260, 62872, 75880, 78590, 78764, 98455, 105148, 110026, 112520, 131435, 157180, 157528, 184009, 196910, 210296, 220052, 262870, 275065, 314360, 368018, 393820, 440104, 525740, 550130, 736036, 762323, 787640, 920045, 1051480, 1100260, 1472072, 1524646, 1840090, 2200520, 3049292, 3680180, 3811615, 5336261, 6098584, 7360360, 7623230, 10672522, 15246460, 21345044, 26681305, 30492920, 42690088, 53362610, 106725220, 213450440]

約数ペア:

[(1, 213450440), (2, 106725220), (4, 53362610), (5, 42690088), (7, 30492920), (8, 26681305), (10, 21345044), (14, 15246460), (20, 10672522), (28, 7623230), (29, 7360360), (35, 6098584), (40, 5336261), (56, 3811615), (58, 3680180), (70, 3049292), (97, 2200520), (116, 1840090), (140, 1524646), (145, 1472072), (194, 1100260), (203, 1051480), (232, 920045), (271, 787640), (280, 762323), (290, 736036), (388, 550130), (406, 525740), (485, 440104), (542, 393820), (580, 368018), (679, 314360), (776, 275065), (812, 262870), (970, 220052), (1015, 210296), (1084, 196910), (1160, 184009), (1355, 157528), (1358, 157180), (1624, 131435), (1897, 112520), (1940, 110026), (2030, 105148), (2168, 98455), (2710, 78764), (2716, 78590), (2813, 75880), (3395, 62872), (3794, 56260), (3880, 55013), (4060, 52574), (5420, 39382), (5432, 39295), (5626, 37940), (6790, 31436), (7588, 28130), (7859, 27160), (8120, 26287), (9485, 22504), (10840, 19691), (11252, 18970), (13580, 15718), (14065, 15176)]