172154360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3121}}^1$

素因数の和:3336

約数の個数: 64

約数和(自身を含む): 445072320

約数和(自身を除く): 272917960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3121, 3940, 5516, 6242, 6895, 7880, 11032, 12484, 13790, 15605, 21847, 24968, 27580, 31210, 43694, 55160, 62420, 87388, 109235, 124840, 174776, 218470, 436940, 614837, 873880, 1229674, 2459348, 3074185, 4303859, 4918696, 6148370, 8607718, 12296740, 17215436, 21519295, 24593480, 34430872, 43038590, 86077180, 172154360]

約数ペア:

[(1, 172154360), (2, 86077180), (4, 43038590), (5, 34430872), (7, 24593480), (8, 21519295), (10, 17215436), (14, 12296740), (20, 8607718), (28, 6148370), (35, 4918696), (40, 4303859), (56, 3074185), (70, 2459348), (140, 1229674), (197, 873880), (280, 614837), (394, 436940), (788, 218470), (985, 174776), (1379, 124840), (1576, 109235), (1970, 87388), (2758, 62420), (3121, 55160), (3940, 43694), (5516, 31210), (6242, 27580), (6895, 24968), (7880, 21847), (11032, 15605), (12484, 13790)]