30970370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 26053630

約数列:

[1, 2, 5, 10, 79, 158, 197, 199, 394, 395, 398, 790, 985, 995, 1970, 1990, 15563, 15721, 31126, 31442, 39203, 77815, 78406, 78605, 155630, 157210, 196015, 392030, 3097037, 6194074, 15485185, 30970370]

約数ペア:

[(1, 30970370), (2, 15485185), (5, 6194074), (10, 3097037), (79, 392030), (158, 196015), (197, 157210), (199, 155630), (394, 78605), (395, 78406), (398, 77815), (790, 39203), (985, 31442), (995, 31126), (1970, 15721), (1990, 15563)]