83982640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149969}}^1$

素因数の和:149989

約数の個数: 40

約数和(自身を含む): 223155360

約数和(自身を除く): 139172720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 149969, 299938, 599876, 749845, 1049783, 1199752, 1499690, 2099566, 2399504, 2999380, 4199132, 5248915, 5998760, 8398264, 10497830, 11997520, 16796528, 20995660, 41991320, 83982640]

約数ペア:

[(1, 83982640), (2, 41991320), (4, 20995660), (5, 16796528), (7, 11997520), (8, 10497830), (10, 8398264), (14, 5998760), (16, 5248915), (20, 4199132), (28, 2999380), (35, 2399504), (40, 2099566), (56, 1499690), (70, 1199752), (80, 1049783), (112, 749845), (140, 599876), (280, 299938), (560, 149969)]