311554040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10399}}^1$

素因数の和:10524

約数の個数: 64

約数和(自身を含む): 808704000

約数和(自身を除く): 497149960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2140, 2996, 3745, 4280, 5992, 7490, 10399, 14980, 20798, 29960, 41596, 51995, 72793, 83192, 103990, 145586, 207980, 291172, 363965, 415960, 582344, 727930, 1112693, 1455860, 2225386, 2911720, 4450772, 5563465, 7788851, 8901544, 11126930, 15577702, 22253860, 31155404, 38944255, 44507720, 62310808, 77888510, 155777020, 311554040]

約数ペア:

[(1, 311554040), (2, 155777020), (4, 77888510), (5, 62310808), (7, 44507720), (8, 38944255), (10, 31155404), (14, 22253860), (20, 15577702), (28, 11126930), (35, 8901544), (40, 7788851), (56, 5563465), (70, 4450772), (107, 2911720), (140, 2225386), (214, 1455860), (280, 1112693), (428, 727930), (535, 582344), (749, 415960), (856, 363965), (1070, 291172), (1498, 207980), (2140, 145586), (2996, 103990), (3745, 83192), (4280, 72793), (5992, 51995), (7490, 41596), (10399, 29960), (14980, 20798)]