248375680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{55441}}^1$

素因数の和:55467

約数の個数: 64

約数和(自身を含む): 678610080

約数和(自身を除く): 430234400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 55441, 110882, 221764, 277205, 388087, 443528, 554410, 776174, 887056, 1108820, 1552348, 1774112, 1940435, 2217640, 3104696, 3548224, 3880870, 4435280, 6209392, 7096448, 7761740, 8870560, 12418784, 15523480, 17741120, 24837568, 31046960, 35482240, 49675136, 62093920, 124187840, 248375680]

約数ペア:

[(1, 248375680), (2, 124187840), (4, 62093920), (5, 49675136), (7, 35482240), (8, 31046960), (10, 24837568), (14, 17741120), (16, 15523480), (20, 12418784), (28, 8870560), (32, 7761740), (35, 7096448), (40, 6209392), (56, 4435280), (64, 3880870), (70, 3548224), (80, 3104696), (112, 2217640), (128, 1940435), (140, 1774112), (160, 1552348), (224, 1108820), (280, 887056), (320, 776174), (448, 554410), (560, 443528), (640, 388087), (896, 277205), (1120, 221764), (2240, 110882), (4480, 55441)]