151990580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2473}}^1$

素因数の和:2928

約数の個数: 48

約数和(自身を含む): 365756160

約数和(自身を除く): 213765580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 2195, 2473, 3073, 4390, 4946, 6146, 8780, 9892, 12292, 12365, 15365, 17311, 24730, 30730, 34622, 49460, 61460, 69244, 86555, 173110, 346220, 1085647, 2171294, 4342588, 5428235, 7599529, 10856470, 15199058, 21712940, 30398116, 37997645, 75995290, 151990580]

約数ペア:

[(1, 151990580), (2, 75995290), (4, 37997645), (5, 30398116), (7, 21712940), (10, 15199058), (14, 10856470), (20, 7599529), (28, 5428235), (35, 4342588), (70, 2171294), (140, 1085647), (439, 346220), (878, 173110), (1756, 86555), (2195, 69244), (2473, 61460), (3073, 49460), (4390, 34622), (4946, 30730), (6146, 24730), (8780, 17311), (9892, 15365), (12292, 12365)]