272812210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 553474944

約数和(自身を除く): 280662734

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 137, 215, 274, 421, 430, 473, 685, 842, 946, 1370, 1507, 2105, 2365, 3014, 4210, 4631, 4730, 5891, 7535, 9262, 11782, 15070, 18103, 23155, 29455, 36206, 46310, 57677, 58910, 64801, 90515, 115354, 129602, 181030, 199133, 288385, 324005, 398266, 576770, 634447, 648010, 995665, 1268894, 1991330, 2480111, 3172235, 4960222, 6344470, 12400555, 24801110, 27281221, 54562442, 136406105, 272812210]

約数ペア:

[(1, 272812210), (2, 136406105), (5, 54562442), (10, 27281221), (11, 24801110), (22, 12400555), (43, 6344470), (55, 4960222), (86, 3172235), (110, 2480111), (137, 1991330), (215, 1268894), (274, 995665), (421, 648010), (430, 634447), (473, 576770), (685, 398266), (842, 324005), (946, 288385), (1370, 199133), (1507, 181030), (2105, 129602), (2365, 115354), (3014, 90515), (4210, 64801), (4631, 58910), (4730, 57677), (5891, 46310), (7535, 36206), (9262, 29455), (11782, 23155), (15070, 18103)]