1390308.00000000

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 17087000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1439, 1720, 2150, 2878, 4300, 5756, 7195, 8600, 11512, 14390, 28780, 35975, 57560, 61877, 71950, 123754, 143900, 247508, 287800, 309385, 495016, 618770, 1237540, 1546925, 2475080, 3093850, 6187700, 12375400]

約数ペア:

[(1, 12375400), (2, 6187700), (4, 3093850), (5, 2475080), (8, 1546925), (10, 1237540), (20, 618770), (25, 495016), (40, 309385), (43, 287800), (50, 247508), (86, 143900), (100, 123754), (172, 71950), (200, 61877), (215, 57560), (344, 35975), (430, 28780), (860, 14390), (1075, 11512), (1439, 8600), (1720, 7195), (2150, 5756), (2878, 4300)]