199676860

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{28607}}^1$

素因数の和:28965

約数の個数: 24

約数和(自身を含む): 420537600

約数和(自身を除く): 220860740

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 28607, 57214, 114428, 143035, 286070, 572140, 9983843, 19967686, 39935372, 49919215, 99838430, 199676860]

約数ペア:

[(1, 199676860), (2, 99838430), (4, 49919215), (5, 39935372), (10, 19967686), (20, 9983843), (349, 572140), (698, 286070), (1396, 143035), (1745, 114428), (3490, 57214), (6980, 28607)]