698519380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{1867}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 1581672960

約数和(自身を除く): 883153580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1439, 1867, 2878, 3734, 5756, 7195, 7468, 9335, 14390, 18670, 18707, 24271, 28780, 37340, 37414, 48542, 74828, 93535, 97084, 121355, 187070, 242710, 374140, 485420, 2686613, 5373226, 10746452, 13433065, 26866130, 34925969, 53732260, 69851938, 139703876, 174629845, 349259690, 698519380]

約数ペア:

[(1, 698519380), (2, 349259690), (4, 174629845), (5, 139703876), (10, 69851938), (13, 53732260), (20, 34925969), (26, 26866130), (52, 13433065), (65, 10746452), (130, 5373226), (260, 2686613), (1439, 485420), (1867, 374140), (2878, 242710), (3734, 187070), (5756, 121355), (7195, 97084), (7468, 93535), (9335, 74828), (14390, 48542), (18670, 37414), (18707, 37340), (24271, 28780)]