38078650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 73656000

約数和(自身を除く): 35577350

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 89, 178, 199, 215, 398, 430, 445, 890, 995, 1075, 1990, 2150, 2225, 3827, 4450, 4975, 7654, 8557, 9950, 17114, 17711, 19135, 35422, 38270, 42785, 85570, 88555, 95675, 177110, 191350, 213925, 427850, 442775, 761573, 885550, 1523146, 3807865, 7615730, 19039325, 38078650]

約数ペア:

[(1, 38078650), (2, 19039325), (5, 7615730), (10, 3807865), (25, 1523146), (43, 885550), (50, 761573), (86, 442775), (89, 427850), (178, 213925), (199, 191350), (215, 177110), (398, 95675), (430, 88555), (445, 85570), (890, 42785), (995, 38270), (1075, 35422), (1990, 19135), (2150, 17711), (2225, 17114), (3827, 9950), (4450, 8557), (4975, 7654)]