217103960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42737}}^1$

素因数の和:42875

約数の個数: 32

約数和(自身を含む): 492341760

約数和(自身を除く): 275237800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 42737, 85474, 170948, 213685, 341896, 427370, 854740, 1709480, 5427599, 10855198, 21710396, 27137995, 43420792, 54275990, 108551980, 217103960]

約数ペア:

[(1, 217103960), (2, 108551980), (4, 54275990), (5, 43420792), (8, 27137995), (10, 21710396), (20, 10855198), (40, 5427599), (127, 1709480), (254, 854740), (508, 427370), (635, 341896), (1016, 213685), (1270, 170948), (2540, 85474), (5080, 42737)]