1990300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 4654216

約数和(自身を除く): 2663916

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1531, 3062, 6124, 7655, 15310, 19903, 30620, 38275, 39806, 76550, 79612, 99515, 153100, 199030, 398060, 497575, 995150, 1990300]

約数ペア:

[(1, 1990300), (2, 995150), (4, 497575), (5, 398060), (10, 199030), (13, 153100), (20, 99515), (25, 79612), (26, 76550), (50, 39806), (52, 38275), (65, 30620), (100, 19903), (130, 15310), (260, 7655), (325, 6124), (650, 3062), (1300, 1531)]