74800520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 175219200

約数和(自身を除く): 100418680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 337, 358, 620, 674, 716, 895, 1240, 1348, 1432, 1685, 1790, 2696, 3370, 3580, 5549, 6740, 7160, 10447, 11098, 13480, 20894, 22196, 27745, 41788, 44392, 52235, 55490, 60323, 83576, 104470, 110980, 120646, 208940, 221960, 241292, 301615, 417880, 482584, 603230, 1206460, 1870013, 2412920, 3740026, 7480052, 9350065, 14960104, 18700130, 37400260, 74800520]

約数ペア:

[(1, 74800520), (2, 37400260), (4, 18700130), (5, 14960104), (8, 9350065), (10, 7480052), (20, 3740026), (31, 2412920), (40, 1870013), (62, 1206460), (124, 603230), (155, 482584), (179, 417880), (248, 301615), (310, 241292), (337, 221960), (358, 208940), (620, 120646), (674, 110980), (716, 104470), (895, 83576), (1240, 60323), (1348, 55490), (1432, 52235), (1685, 44392), (1790, 41788), (2696, 27745), (3370, 22196), (3580, 20894), (5549, 13480), (6740, 11098), (7160, 10447)]