1799895950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1373

約数の個数: 48

約数和(自身を含む): 3396077280

約数和(自身を除く): 1596181330

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 631, 641, 890, 1262, 1282, 2225, 3155, 3205, 4450, 6310, 6410, 15775, 16025, 31550, 32050, 56159, 57049, 112318, 114098, 280795, 285245, 404471, 561590, 570490, 808942, 1403975, 1426225, 2022355, 2807950, 2852450, 4044710, 10111775, 20223550, 35997919, 71995838, 179989595, 359979190, 899947975, 1799895950]

約数ペア:

[(1, 1799895950), (2, 899947975), (5, 359979190), (10, 179989595), (25, 71995838), (50, 35997919), (89, 20223550), (178, 10111775), (445, 4044710), (631, 2852450), (641, 2807950), (890, 2022355), (1262, 1426225), (1282, 1403975), (2225, 808942), (3155, 570490), (3205, 561590), (4450, 404471), (6310, 285245), (6410, 280795), (15775, 114098), (16025, 112318), (31550, 57049), (32050, 56159)]