2853500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 3873220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 439, 500, 650, 878, 1300, 1625, 1756, 2195, 3250, 4390, 5707, 6500, 8780, 10975, 11414, 21950, 22828, 28535, 43900, 54875, 57070, 109750, 114140, 142675, 219500, 285350, 570700, 713375, 1426750, 2853500]

約数ペア:

[(1, 2853500), (2, 1426750), (4, 713375), (5, 570700), (10, 285350), (13, 219500), (20, 142675), (25, 114140), (26, 109750), (50, 57070), (52, 54875), (65, 43900), (100, 28535), (125, 22828), (130, 21950), (250, 11414), (260, 10975), (325, 8780), (439, 6500), (500, 5707), (650, 4390), (878, 3250), (1300, 2195), (1625, 1756)]