194407480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{24671}}^1$

素因数の和:24879

約数の個数: 32

約数和(自身を含む): 439655040

約数和(自身を除く): 245247560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 24671, 49342, 98684, 123355, 197368, 246710, 493420, 986840, 4860187, 9720374, 19440748, 24300935, 38881496, 48601870, 97203740, 194407480]

約数ペア:

[(1, 194407480), (2, 97203740), (4, 48601870), (5, 38881496), (8, 24300935), (10, 19440748), (20, 9720374), (40, 4860187), (197, 986840), (394, 493420), (788, 246710), (985, 197368), (1576, 123355), (1970, 98684), (3940, 49342), (7880, 24671)]