69728390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 138568320

約数和(自身を除く): 68839930

約数列:

[1, 2, 5, 10, 17, 34, 53, 71, 85, 106, 109, 142, 170, 218, 265, 355, 530, 545, 710, 901, 1090, 1207, 1802, 1853, 2414, 3706, 3763, 4505, 5777, 6035, 7526, 7739, 9010, 9265, 11554, 12070, 15478, 18530, 18815, 28885, 37630, 38695, 57770, 63971, 77390, 98209, 127942, 131563, 196418, 263126, 319855, 410167, 491045, 639710, 657815, 820334, 982090, 1315630, 2050835, 4101670, 6972839, 13945678, 34864195, 69728390]

約数ペア:

[(1, 69728390), (2, 34864195), (5, 13945678), (10, 6972839), (17, 4101670), (34, 2050835), (53, 1315630), (71, 982090), (85, 820334), (106, 657815), (109, 639710), (142, 491045), (170, 410167), (218, 319855), (265, 263126), (355, 196418), (530, 131563), (545, 127942), (710, 98209), (901, 77390), (1090, 63971), (1207, 57770), (1802, 38695), (1853, 37630), (2414, 28885), (3706, 18815), (3763, 18530), (4505, 15478), (5777, 12070), (6035, 11554), (7526, 9265), (7739, 9010)]