212291210

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 388022400

約数和(自身を除く): 175731190

約数列:

[1, 2, 5, 10, 107, 199, 214, 398, 535, 995, 997, 1070, 1990, 1994, 4985, 9970, 21293, 42586, 106465, 106679, 198403, 212930, 213358, 396806, 533395, 992015, 1066790, 1984030, 21229121, 42458242, 106145605, 212291210]

約数ペア:

[(1, 212291210), (2, 106145605), (5, 42458242), (10, 21229121), (107, 1984030), (199, 1066790), (214, 992015), (398, 533395), (535, 396806), (995, 213358), (997, 212930), (1070, 198403), (1990, 106679), (1994, 106465), (4985, 42586), (9970, 21293)]