208038420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31237}}^1$

素因数の和:31289

約数の個数: 72

約数和(自身を含む): 648126024

約数和(自身を除く): 440087604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31237, 62474, 93711, 124948, 156185, 187422, 281133, 312370, 374844, 468555, 562266, 624740, 937110, 1124532, 1155769, 1405665, 1874220, 2311538, 2811330, 3467307, 4623076, 5622660, 5778845, 6934614, 10401921, 11557690, 13869228, 17336535, 20803842, 23115380, 34673070, 41607684, 52009605, 69346140, 104019210, 208038420]

約数ペア:

[(1, 208038420), (2, 104019210), (3, 69346140), (4, 52009605), (5, 41607684), (6, 34673070), (9, 23115380), (10, 20803842), (12, 17336535), (15, 13869228), (18, 11557690), (20, 10401921), (30, 6934614), (36, 5778845), (37, 5622660), (45, 4623076), (60, 3467307), (74, 2811330), (90, 2311538), (111, 1874220), (148, 1405665), (180, 1155769), (185, 1124532), (222, 937110), (333, 624740), (370, 562266), (444, 468555), (555, 374844), (666, 312370), (740, 281133), (1110, 187422), (1332, 156185), (1665, 124948), (2220, 93711), (3330, 62474), (6660, 31237)]