313638740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{188939}}^1$

素因数の和:189031

約数の個数: 24

約数和(自身を含む): 666580320

約数和(自身を除く): 352941580

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 188939, 377878, 755756, 944695, 1889390, 3778780, 15681937, 31363874, 62727748, 78409685, 156819370, 313638740]

約数ペア:

[(1, 313638740), (2, 156819370), (4, 78409685), (5, 62727748), (10, 31363874), (20, 15681937), (83, 3778780), (166, 1889390), (332, 944695), (415, 755756), (830, 377878), (1660, 188939)]