155206040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352741}}^1$

素因数の和:352763

約数の個数: 32

約数和(自身を含む): 380961360

約数和(自身を除く): 225755320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352741, 705482, 1410964, 1763705, 2821928, 3527410, 3880151, 7054820, 7760302, 14109640, 15520604, 19400755, 31041208, 38801510, 77603020, 155206040]

約数ペア:

[(1, 155206040), (2, 77603020), (4, 38801510), (5, 31041208), (8, 19400755), (10, 15520604), (11, 14109640), (20, 7760302), (22, 7054820), (40, 3880151), (44, 3527410), (55, 2821928), (88, 1763705), (110, 1410964), (220, 705482), (440, 352741)]