209078540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{950357}}^1$

素因数の和:950377

約数の個数: 24

約数和(自身を含む): 478980432

約数和(自身を除く): 269901892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 950357, 1900714, 3801428, 4751785, 9503570, 10453927, 19007140, 20907854, 41815708, 52269635, 104539270, 209078540]

約数ペア:

[(1, 209078540), (2, 104539270), (4, 52269635), (5, 41815708), (10, 20907854), (11, 19007140), (20, 10453927), (22, 9503570), (44, 4751785), (55, 3801428), (110, 1900714), (220, 950357)]