243748540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{248723}}^1$

素因数の和:248746

約数の個数: 36

約数和(自身を含む): 595445256

約数和(自身を除く): 351696716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 248723, 497446, 994892, 1243615, 1741061, 2487230, 3482122, 4974460, 6964244, 8705305, 12187427, 17410610, 24374854, 34821220, 48749708, 60937135, 121874270, 243748540]

約数ペア:

[(1, 243748540), (2, 121874270), (4, 60937135), (5, 48749708), (7, 34821220), (10, 24374854), (14, 17410610), (20, 12187427), (28, 8705305), (35, 6964244), (49, 4974460), (70, 3482122), (98, 2487230), (140, 1741061), (196, 1243615), (245, 994892), (490, 497446), (980, 248723)]