421750250

素因数分解:

$2^1\times 5^3\times {\mathrm{1279}}^1\times {\mathrm{1319}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 790732800

約数和(自身を除く): 368982550

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 1279, 1319, 2558, 2638, 6395, 6595, 12790, 13190, 31975, 32975, 63950, 65950, 159875, 164875, 319750, 329750, 1687001, 3374002, 8435005, 16870010, 42175025, 84350050, 210875125, 421750250]

約数ペア:

[(1, 421750250), (2, 210875125), (5, 84350050), (10, 42175025), (25, 16870010), (50, 8435005), (125, 3374002), (250, 1687001), (1279, 329750), (1319, 319750), (2558, 164875), (2638, 159875), (6395, 65950), (6595, 63950), (12790, 32975), (13190, 31975)]