49129780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3943}}^1$

素因数の和:4048

約数の個数: 48

約数和(自身を含む): 119266560

約数和(自身を除く): 70136780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 3943, 6230, 7886, 12460, 15772, 19715, 27601, 39430, 55202, 78860, 110404, 138005, 276010, 350927, 552020, 701854, 1403708, 1754635, 2456489, 3509270, 4912978, 7018540, 9825956, 12282445, 24564890, 49129780]

約数ペア:

[(1, 49129780), (2, 24564890), (4, 12282445), (5, 9825956), (7, 7018540), (10, 4912978), (14, 3509270), (20, 2456489), (28, 1754635), (35, 1403708), (70, 701854), (89, 552020), (140, 350927), (178, 276010), (356, 138005), (445, 110404), (623, 78860), (890, 55202), (1246, 39430), (1780, 27601), (2492, 19715), (3115, 15772), (3943, 12460), (6230, 7886)]