28900150

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{4219}}^1$

素因数の和:4368

約数の個数: 24

約数和(自身を含む): 54159480

約数和(自身を除く): 25259330

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 3425, 4219, 6850, 8438, 21095, 42190, 105475, 210950, 578003, 1156006, 2890015, 5780030, 14450075, 28900150]

約数ペア:

[(1, 28900150), (2, 14450075), (5, 5780030), (10, 2890015), (25, 1156006), (50, 578003), (137, 210950), (274, 105475), (685, 42190), (1370, 21095), (3425, 8438), (4219, 6850)]