221386400

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2326

約数の個数: 72

約数和(自身を含む): 544965120

約数和(自身を除く): 323578720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2179, 2540, 3175, 4064, 4358, 5080, 6350, 8716, 10160, 10895, 12700, 17432, 20320, 21790, 25400, 34864, 43580, 50800, 54475, 69728, 87160, 101600, 108950, 174320, 217900, 276733, 348640, 435800, 553466, 871600, 1106932, 1383665, 1743200, 2213864, 2767330, 4427728, 5534660, 6918325, 8855456, 11069320, 13836650, 22138640, 27673300, 44277280, 55346600, 110693200, 221386400]

約数ペア:

[(1, 221386400), (2, 110693200), (4, 55346600), (5, 44277280), (8, 27673300), (10, 22138640), (16, 13836650), (20, 11069320), (25, 8855456), (32, 6918325), (40, 5534660), (50, 4427728), (80, 2767330), (100, 2213864), (127, 1743200), (160, 1383665), (200, 1106932), (254, 871600), (400, 553466), (508, 435800), (635, 348640), (800, 276733), (1016, 217900), (1270, 174320), (2032, 108950), (2179, 101600), (2540, 87160), (3175, 69728), (4064, 54475), (4358, 50800), (5080, 43580), (6350, 34864), (8716, 25400), (10160, 21790), (10895, 20320), (12700, 17432)]