313980220

素因数分解:

$2^2\times 5^1\times {\mathrm{2819}}^1\times {\mathrm{5569}}^1$

素因数の和:8397

約数の個数: 24

約数和(自身を含む): 659710800

約数和(自身を除く): 345730580

約数列:

[1, 2, 4, 5, 10, 20, 2819, 5569, 5638, 11138, 11276, 14095, 22276, 27845, 28190, 55690, 56380, 111380, 15699011, 31398022, 62796044, 78495055, 156990110, 313980220]

約数ペア:

[(1, 313980220), (2, 156990110), (4, 78495055), (5, 62796044), (10, 31398022), (20, 15699011), (2819, 111380), (5569, 56380), (5638, 55690), (11138, 28190), (11276, 27845), (14095, 22276)]