30815150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 61008000

約数和(自身を除く): 30192850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 163, 190, 199, 326, 398, 475, 815, 950, 995, 1630, 1990, 3097, 3781, 4075, 4975, 6194, 7562, 8150, 9950, 15485, 18905, 30970, 32437, 37810, 64874, 77425, 94525, 154850, 162185, 189050, 324370, 616303, 810925, 1232606, 1621850, 3081515, 6163030, 15407575, 30815150]

約数ペア:

[(1, 30815150), (2, 15407575), (5, 6163030), (10, 3081515), (19, 1621850), (25, 1232606), (38, 810925), (50, 616303), (95, 324370), (163, 189050), (190, 162185), (199, 154850), (326, 94525), (398, 77425), (475, 64874), (815, 37810), (950, 32437), (995, 30970), (1630, 18905), (1990, 15485), (3097, 9950), (3781, 8150), (4075, 7562), (4975, 6194)]