209403540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1163353}}^1$

素因数の和:1163368

約数の個数: 36

約数和(自身を含む): 635191284

約数和(自身を除く): 425787744

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1163353, 2326706, 3490059, 4653412, 5816765, 6980118, 10470177, 11633530, 13960236, 17450295, 20940354, 23267060, 34900590, 41880708, 52350885, 69801180, 104701770, 209403540]

約数ペア:

[(1, 209403540), (2, 104701770), (3, 69801180), (4, 52350885), (5, 41880708), (6, 34900590), (9, 23267060), (10, 20940354), (12, 17450295), (15, 13960236), (18, 11633530), (20, 10470177), (30, 6980118), (36, 5816765), (45, 4653412), (60, 3490059), (90, 2326706), (180, 1163353)]