30210190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 31997810

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 47, 85, 94, 95, 170, 190, 199, 235, 323, 398, 470, 646, 799, 893, 995, 1598, 1615, 1786, 1990, 3230, 3383, 3781, 3995, 4465, 6766, 7562, 7990, 8930, 9353, 15181, 16915, 18706, 18905, 30362, 33830, 37810, 46765, 64277, 75905, 93530, 128554, 151810, 159001, 177707, 318002, 321385, 355414, 642770, 795005, 888535, 1590010, 1777070, 3021019, 6042038, 15105095, 30210190]

約数ペア:

[(1, 30210190), (2, 15105095), (5, 6042038), (10, 3021019), (17, 1777070), (19, 1590010), (34, 888535), (38, 795005), (47, 642770), (85, 355414), (94, 321385), (95, 318002), (170, 177707), (190, 159001), (199, 151810), (235, 128554), (323, 93530), (398, 75905), (470, 64277), (646, 46765), (799, 37810), (893, 33830), (995, 30362), (1598, 18905), (1615, 18706), (1786, 16915), (1990, 15181), (3230, 9353), (3383, 8930), (3781, 7990), (3995, 7562), (4465, 6766)]