130405856

素因数分解:

$2^5\times 7^3\times {\mathrm{109}}^2$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 302173200

約数和(自身を除く): 171767344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 109, 112, 196, 218, 224, 343, 392, 436, 686, 763, 784, 872, 1372, 1526, 1568, 1744, 2744, 3052, 3488, 5341, 5488, 6104, 10682, 10976, 11881, 12208, 21364, 23762, 24416, 37387, 42728, 47524, 74774, 83167, 85456, 95048, 149548, 166334, 170912, 190096, 299096, 332668, 380192, 582169, 598192, 665336, 1164338, 1196384, 1330672, 2328676, 2661344, 4075183, 4657352, 8150366, 9314704, 16300732, 18629408, 32601464, 65202928, 130405856]

約数ペア:

[(1, 130405856), (2, 65202928), (4, 32601464), (7, 18629408), (8, 16300732), (14, 9314704), (16, 8150366), (28, 4657352), (32, 4075183), (49, 2661344), (56, 2328676), (98, 1330672), (109, 1196384), (112, 1164338), (196, 665336), (218, 598192), (224, 582169), (343, 380192), (392, 332668), (436, 299096), (686, 190096), (763, 170912), (784, 166334), (872, 149548), (1372, 95048), (1526, 85456), (1568, 83167), (1744, 74774), (2744, 47524), (3052, 42728), (3488, 37387), (5341, 24416), (5488, 23762), (6104, 21364), (10682, 12208), (10976, 11881)]