12213800

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 28642140

約数和(自身を除く): 16428340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 353, 692, 706, 865, 1384, 1412, 1730, 1765, 2824, 3460, 3530, 4325, 6920, 7060, 8650, 8825, 14120, 17300, 17650, 34600, 35300, 61069, 70600, 122138, 244276, 305345, 488552, 610690, 1221380, 1526725, 2442760, 3053450, 6106900, 12213800]

約数ペア:

[(1, 12213800), (2, 6106900), (4, 3053450), (5, 2442760), (8, 1526725), (10, 1221380), (20, 610690), (25, 488552), (40, 305345), (50, 244276), (100, 122138), (173, 70600), (200, 61069), (346, 35300), (353, 34600), (692, 17650), (706, 17300), (865, 14120), (1384, 8825), (1412, 8650), (1730, 7060), (1765, 6920), (2824, 4325), (3460, 3530)]