319003760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36583}}^1$

素因数の和:36705

約数の個数: 40

約数和(自身を含む): 748508640

約数和(自身を除く): 429504880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 36583, 73166, 146332, 182915, 292664, 365830, 585328, 731660, 1463320, 2926640, 3987547, 7975094, 15950188, 19937735, 31900376, 39875470, 63800752, 79750940, 159501880, 319003760]

約数ペア:

[(1, 319003760), (2, 159501880), (4, 79750940), (5, 63800752), (8, 39875470), (10, 31900376), (16, 19937735), (20, 15950188), (40, 7975094), (80, 3987547), (109, 2926640), (218, 1463320), (436, 731660), (545, 585328), (872, 365830), (1090, 292664), (1744, 182915), (2180, 146332), (4360, 73166), (8720, 36583)]