12230540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 29568000

約数和(自身を除く): 17337460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 439, 796, 878, 995, 1393, 1756, 1990, 2195, 2786, 3073, 3980, 4390, 5572, 6146, 6965, 8780, 12292, 13930, 15365, 27860, 30730, 61460, 87361, 174722, 349444, 436805, 611527, 873610, 1223054, 1747220, 2446108, 3057635, 6115270, 12230540]

約数ペア:

[(1, 12230540), (2, 6115270), (4, 3057635), (5, 2446108), (7, 1747220), (10, 1223054), (14, 873610), (20, 611527), (28, 436805), (35, 349444), (70, 174722), (140, 87361), (199, 61460), (398, 30730), (439, 27860), (796, 15365), (878, 13930), (995, 12292), (1393, 8780), (1756, 6965), (1990, 6146), (2195, 5572), (2786, 4390), (3073, 3980)]