79793030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 146145600

約数和(自身を除く): 66352570

約数列:

[1, 2, 5, 10, 101, 199, 202, 397, 398, 505, 794, 995, 1010, 1985, 1990, 3970, 20099, 40097, 40198, 79003, 80194, 100495, 158006, 200485, 200990, 395015, 400970, 790030, 7979303, 15958606, 39896515, 79793030]

約数ペア:

[(1, 79793030), (2, 39896515), (5, 15958606), (10, 7979303), (101, 790030), (199, 400970), (202, 395015), (397, 200990), (398, 200485), (505, 158006), (794, 100495), (995, 80194), (1010, 79003), (1985, 40198), (1990, 40097), (3970, 20099)]