7717220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 18681600

約数和(自身を除く): 10964380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 277, 398, 554, 796, 995, 1108, 1385, 1393, 1939, 1990, 2770, 2786, 3878, 3980, 5540, 5572, 6965, 7756, 9695, 13930, 19390, 27860, 38780, 55123, 110246, 220492, 275615, 385861, 551230, 771722, 1102460, 1543444, 1929305, 3858610, 7717220]

約数ペア:

[(1, 7717220), (2, 3858610), (4, 1929305), (5, 1543444), (7, 1102460), (10, 771722), (14, 551230), (20, 385861), (28, 275615), (35, 220492), (70, 110246), (140, 55123), (199, 38780), (277, 27860), (398, 19390), (554, 13930), (796, 9695), (995, 7756), (1108, 6965), (1385, 5572), (1393, 5540), (1939, 3980), (1990, 3878), (2770, 2786)]