1880473400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{723259}}^1$

素因数の和:723288

約数の個数: 48

約数和(自身を含む): 4708422600

約数和(自身を除く): 2827949200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 723259, 1446518, 2893036, 3616295, 5786072, 7232590, 9402367, 14465180, 18081475, 18804734, 28930360, 36162950, 37609468, 47011835, 72325900, 75218936, 94023670, 144651800, 188047340, 235059175, 376094680, 470118350, 940236700, 1880473400]

約数ペア:

[(1, 1880473400), (2, 940236700), (4, 470118350), (5, 376094680), (8, 235059175), (10, 188047340), (13, 144651800), (20, 94023670), (25, 75218936), (26, 72325900), (40, 47011835), (50, 37609468), (52, 36162950), (65, 28930360), (100, 18804734), (104, 18081475), (130, 14465180), (200, 9402367), (260, 7232590), (325, 5786072), (520, 3616295), (650, 2893036), (1300, 1446518), (2600, 723259)]