31957660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3407}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 77865984

約数和(自身を除く): 45908324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3407, 4690, 6814, 9380, 13628, 17035, 23849, 34070, 47698, 68140, 95396, 119245, 228269, 238490, 456538, 476980, 913076, 1141345, 1597883, 2282690, 3195766, 4565380, 6391532, 7989415, 15978830, 31957660]

約数ペア:

[(1, 31957660), (2, 15978830), (4, 7989415), (5, 6391532), (7, 4565380), (10, 3195766), (14, 2282690), (20, 1597883), (28, 1141345), (35, 913076), (67, 476980), (70, 456538), (134, 238490), (140, 228269), (268, 119245), (335, 95396), (469, 68140), (670, 47698), (938, 34070), (1340, 23849), (1876, 17035), (2345, 13628), (3407, 9380), (4690, 6814)]