3180020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4077580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 199, 235, 340, 398, 470, 796, 799, 940, 995, 1598, 1990, 3196, 3383, 3980, 3995, 6766, 7990, 9353, 13532, 15980, 16915, 18706, 33830, 37412, 46765, 67660, 93530, 159001, 187060, 318002, 636004, 795005, 1590010, 3180020]

約数ペア:

[(1, 3180020), (2, 1590010), (4, 795005), (5, 636004), (10, 318002), (17, 187060), (20, 159001), (34, 93530), (47, 67660), (68, 46765), (85, 37412), (94, 33830), (170, 18706), (188, 16915), (199, 15980), (235, 13532), (340, 9353), (398, 7990), (470, 6766), (796, 3995), (799, 3980), (940, 3383), (995, 3196), (1598, 1990)]