319691440

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{23929}}^1$

素因数の和:24109

約数の個数: 40

約数和(自身を含む): 747764640

約数和(自身を除く): 428073200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 13360, 23929, 47858, 95716, 119645, 191432, 239290, 382864, 478580, 957160, 1914320, 3996143, 7992286, 15984572, 19980715, 31969144, 39961430, 63938288, 79922860, 159845720, 319691440]

約数ペア:

[(1, 319691440), (2, 159845720), (4, 79922860), (5, 63938288), (8, 39961430), (10, 31969144), (16, 19980715), (20, 15984572), (40, 7992286), (80, 3996143), (167, 1914320), (334, 957160), (668, 478580), (835, 382864), (1336, 239290), (1670, 191432), (2672, 119645), (3340, 95716), (6680, 47858), (13360, 23929)]