326377910

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 593352000

約数和(自身を除く): 266974090

約数列:

[1, 2, 5, 10, 199, 398, 401, 409, 802, 818, 995, 1990, 2005, 2045, 4010, 4090, 79799, 81391, 159598, 162782, 164009, 328018, 398995, 406955, 797990, 813910, 820045, 1640090, 32637791, 65275582, 163188955, 326377910]

約数ペア:

[(1, 326377910), (2, 163188955), (5, 65275582), (10, 32637791), (199, 1640090), (398, 820045), (401, 813910), (409, 797990), (802, 406955), (818, 398995), (995, 328018), (1990, 164009), (2005, 162782), (2045, 159598), (4010, 81391), (4090, 79799)]