263480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 678240

約数和(自身を除く): 414760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 941, 1882, 3764, 4705, 6587, 7528, 9410, 13174, 18820, 26348, 32935, 37640, 52696, 65870, 131740, 263480]

約数ペア:

[(1, 263480), (2, 131740), (4, 65870), (5, 52696), (7, 37640), (8, 32935), (10, 26348), (14, 18820), (20, 13174), (28, 9410), (35, 7528), (40, 6587), (56, 4705), (70, 3764), (140, 1882), (280, 941)]