70815590

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 129729600

約数和(自身を除く): 58914010

約数列:

[1, 2, 5, 10, 103, 197, 206, 349, 394, 515, 698, 985, 1030, 1745, 1970, 3490, 20291, 35947, 40582, 68753, 71894, 101455, 137506, 179735, 202910, 343765, 359470, 687530, 7081559, 14163118, 35407795, 70815590]

約数ペア:

[(1, 70815590), (2, 35407795), (5, 14163118), (10, 7081559), (103, 687530), (197, 359470), (206, 343765), (349, 202910), (394, 179735), (515, 137506), (698, 101455), (985, 71894), (1030, 68753), (1745, 40582), (1970, 35947), (3490, 20291)]