210569860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 448358400

約数和(自身を除く): 237788540

約数列:

[1, 2, 4, 5, 10, 20, 191, 199, 277, 382, 398, 554, 764, 796, 955, 995, 1108, 1385, 1910, 1990, 2770, 3820, 3980, 5540, 38009, 52907, 55123, 76018, 105814, 110246, 152036, 190045, 211628, 220492, 264535, 275615, 380090, 529070, 551230, 760180, 1058140, 1102460, 10528493, 21056986, 42113972, 52642465, 105284930, 210569860]

約数ペア:

[(1, 210569860), (2, 105284930), (4, 52642465), (5, 42113972), (10, 21056986), (20, 10528493), (191, 1102460), (199, 1058140), (277, 760180), (382, 551230), (398, 529070), (554, 380090), (764, 275615), (796, 264535), (955, 220492), (995, 211628), (1108, 190045), (1385, 152036), (1910, 110246), (1990, 105814), (2770, 76018), (3820, 55123), (3980, 52907), (5540, 38009)]