313634740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{198503}}^1$

素因数の和:198591

約数の個数: 24

約数和(自身を含む): 666973440

約数和(自身を除く): 353338700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 198503, 397006, 794012, 992515, 1985030, 3970060, 15681737, 31363474, 62726948, 78408685, 156817370, 313634740]

約数ペア:

[(1, 313634740), (2, 156817370), (4, 78408685), (5, 62726948), (10, 31363474), (20, 15681737), (79, 3970060), (158, 1985030), (316, 992515), (395, 794012), (790, 397006), (1580, 198503)]