217635160

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{17383}}^1$

素因数の和:17707

約数の個数: 32

約数和(自身を含む): 491271840

約数和(自身を除く): 273636680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 17383, 34766, 69532, 86915, 139064, 173830, 347660, 695320, 5440879, 10881758, 21763516, 27204395, 43527032, 54408790, 108817580, 217635160]

約数ペア:

[(1, 217635160), (2, 108817580), (4, 54408790), (5, 43527032), (8, 27204395), (10, 21763516), (20, 10881758), (40, 5440879), (313, 695320), (626, 347660), (1252, 173830), (1565, 139064), (2504, 86915), (3130, 69532), (6260, 34766), (12520, 17383)]