214914640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19609}}^1$

素因数の和:19759

約数の個数: 40

約数和(自身を含む): 503349480

約数和(自身を除く): 288434840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 19609, 39218, 78436, 98045, 156872, 196090, 313744, 392180, 784360, 1568720, 2686433, 5372866, 10745732, 13432165, 21491464, 26864330, 42982928, 53728660, 107457320, 214914640]

約数ペア:

[(1, 214914640), (2, 107457320), (4, 53728660), (5, 42982928), (8, 26864330), (10, 21491464), (16, 13432165), (20, 10745732), (40, 5372866), (80, 2686433), (137, 1568720), (274, 784360), (548, 392180), (685, 313744), (1096, 196090), (1370, 156872), (2192, 98045), (2740, 78436), (5480, 39218), (10960, 19609)]