2501900

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 5499648

約数和(自身を除く): 2997748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 197, 254, 394, 508, 635, 788, 985, 1270, 1970, 2540, 3175, 3940, 4925, 6350, 9850, 12700, 19700, 25019, 50038, 100076, 125095, 250190, 500380, 625475, 1250950, 2501900]

約数ペア:

[(1, 2501900), (2, 1250950), (4, 625475), (5, 500380), (10, 250190), (20, 125095), (25, 100076), (50, 50038), (100, 25019), (127, 19700), (197, 12700), (254, 9850), (394, 6350), (508, 4925), (635, 3940), (788, 3175), (985, 2540), (1270, 1970)]