247351960

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{4951}}^1$

素因数の和:6211

約数の個数: 32

約数和(自身を含む): 557100000

約数和(自身を除く): 309748040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 4951, 4996, 6245, 9902, 9992, 12490, 19804, 24755, 24980, 39608, 49510, 49960, 99020, 198040, 6183799, 12367598, 24735196, 30918995, 49470392, 61837990, 123675980, 247351960]

約数ペア:

[(1, 247351960), (2, 123675980), (4, 61837990), (5, 49470392), (8, 30918995), (10, 24735196), (20, 12367598), (40, 6183799), (1249, 198040), (2498, 99020), (4951, 49960), (4996, 49510), (6245, 39608), (9902, 24980), (9992, 24755), (12490, 19804)]