28564030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 31570370

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 158, 173, 190, 209, 346, 395, 418, 790, 865, 869, 1045, 1501, 1730, 1738, 1903, 2090, 3002, 3287, 3806, 4345, 6574, 7505, 8690, 9515, 13667, 15010, 16435, 16511, 19030, 27334, 32870, 33022, 36157, 68335, 72314, 82555, 136670, 150337, 165110, 180785, 259673, 300674, 361570, 519346, 751685, 1298365, 1503370, 2596730, 2856403, 5712806, 14282015, 28564030]

約数ペア:

[(1, 28564030), (2, 14282015), (5, 5712806), (10, 2856403), (11, 2596730), (19, 1503370), (22, 1298365), (38, 751685), (55, 519346), (79, 361570), (95, 300674), (110, 259673), (158, 180785), (173, 165110), (190, 150337), (209, 136670), (346, 82555), (395, 72314), (418, 68335), (790, 36157), (865, 33022), (869, 32870), (1045, 27334), (1501, 19030), (1730, 16511), (1738, 16435), (1903, 15010), (2090, 13667), (3002, 9515), (3287, 8690), (3806, 7505), (4345, 6574)]