12398800

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 30136960

約数和(自身を除く): 17738160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 223, 278, 400, 446, 556, 695, 892, 1112, 1115, 1390, 1784, 2224, 2230, 2780, 3475, 3568, 4460, 5560, 5575, 6950, 8920, 11120, 11150, 13900, 17840, 22300, 27800, 30997, 44600, 55600, 61994, 89200, 123988, 154985, 247976, 309970, 495952, 619940, 774925, 1239880, 1549850, 2479760, 3099700, 6199400, 12398800]

約数ペア:

[(1, 12398800), (2, 6199400), (4, 3099700), (5, 2479760), (8, 1549850), (10, 1239880), (16, 774925), (20, 619940), (25, 495952), (40, 309970), (50, 247976), (80, 154985), (100, 123988), (139, 89200), (200, 61994), (223, 55600), (278, 44600), (400, 30997), (446, 27800), (556, 22300), (695, 17840), (892, 13900), (1112, 11150), (1115, 11120), (1390, 8920), (1784, 6950), (2224, 5575), (2230, 5560), (2780, 4460), (3475, 3568)]