217408760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42797}}^1$

素因数の和:42935

約数の個数: 32

約数和(自身を含む): 493032960

約数和(自身を除く): 275624200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 42797, 85594, 171188, 213985, 342376, 427970, 855940, 1711880, 5435219, 10870438, 21740876, 27176095, 43481752, 54352190, 108704380, 217408760]

約数ペア:

[(1, 217408760), (2, 108704380), (4, 54352190), (5, 43481752), (8, 27176095), (10, 21740876), (20, 10870438), (40, 5435219), (127, 1711880), (254, 855940), (508, 427970), (635, 342376), (1016, 213985), (1270, 171188), (2540, 85594), (5080, 42797)]