164421820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3407}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 366428160

約数和(自身を除く): 202006340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 1270, 2413, 2540, 3407, 4826, 6814, 9652, 12065, 13628, 17035, 24130, 34070, 48260, 64733, 68140, 129466, 258932, 323665, 432689, 647330, 865378, 1294660, 1730756, 2163445, 4326890, 8221091, 8653780, 16442182, 32884364, 41105455, 82210910, 164421820]

約数ペア:

[(1, 164421820), (2, 82210910), (4, 41105455), (5, 32884364), (10, 16442182), (19, 8653780), (20, 8221091), (38, 4326890), (76, 2163445), (95, 1730756), (127, 1294660), (190, 865378), (254, 647330), (380, 432689), (508, 323665), (635, 258932), (1270, 129466), (2413, 68140), (2540, 64733), (3407, 48260), (4826, 34070), (6814, 24130), (9652, 17035), (12065, 13628)]