157789090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2143}}^1$

素因数の和:2386

約数の個数: 32

約数和(自身を含む): 293299200

約数和(自身を除く): 135510110

約数列:

[1, 2, 5, 10, 37, 74, 185, 199, 370, 398, 995, 1990, 2143, 4286, 7363, 10715, 14726, 21430, 36815, 73630, 79291, 158582, 396455, 426457, 792910, 852914, 2132285, 4264570, 15778909, 31557818, 78894545, 157789090]

約数ペア:

[(1, 157789090), (2, 78894545), (5, 31557818), (10, 15778909), (37, 4264570), (74, 2132285), (185, 852914), (199, 792910), (370, 426457), (398, 396455), (995, 158582), (1990, 79291), (2143, 73630), (4286, 36815), (7363, 21430), (10715, 14726)]