1380451400

素因数分解:

$2^3\times 5^2\times {\mathrm{6902257}}^1$

素因数の和:6902273

約数の個数: 24

約数和(自身を含む): 3209549970

約数和(自身を除く): 1829098570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6902257, 13804514, 27609028, 34511285, 55218056, 69022570, 138045140, 172556425, 276090280, 345112850, 690225700, 1380451400]

約数ペア:

[(1, 1380451400), (2, 690225700), (4, 345112850), (5, 276090280), (8, 172556425), (10, 138045140), (20, 69022570), (25, 55218056), (40, 34511285), (50, 27609028), (100, 13804514), (200, 6902257)]