281383360

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 699186816

約数和(自身を除く): 417803456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 53, 64, 80, 94, 106, 160, 188, 212, 235, 265, 320, 353, 376, 424, 470, 530, 706, 752, 848, 940, 1060, 1412, 1504, 1696, 1765, 1880, 2120, 2491, 2824, 3008, 3392, 3530, 3760, 4240, 4982, 5648, 7060, 7520, 8480, 9964, 11296, 12455, 14120, 15040, 16591, 16960, 18709, 19928, 22592, 24910, 28240, 33182, 37418, 39856, 49820, 56480, 66364, 74836, 79712, 82955, 93545, 99640, 112960, 132728, 149672, 159424, 165910, 187090, 199280, 265456, 299344, 331820, 374180, 398560, 530912, 598688, 663640, 748360, 797120, 879323, 1061824, 1197376, 1327280, 1496720, 1758646, 2654560, 2993440, 3517292, 4396615, 5309120, 5986880, 7034584, 8793230, 14069168, 17586460, 28138336, 35172920, 56276672, 70345840, 140691680, 281383360]

約数ペア:

[(1, 281383360), (2, 140691680), (4, 70345840), (5, 56276672), (8, 35172920), (10, 28138336), (16, 17586460), (20, 14069168), (32, 8793230), (40, 7034584), (47, 5986880), (53, 5309120), (64, 4396615), (80, 3517292), (94, 2993440), (106, 2654560), (160, 1758646), (188, 1496720), (212, 1327280), (235, 1197376), (265, 1061824), (320, 879323), (353, 797120), (376, 748360), (424, 663640), (470, 598688), (530, 530912), (706, 398560), (752, 374180), (848, 331820), (940, 299344), (1060, 265456), (1412, 199280), (1504, 187090), (1696, 165910), (1765, 159424), (1880, 149672), (2120, 132728), (2491, 112960), (2824, 99640), (3008, 93545), (3392, 82955), (3530, 79712), (3760, 74836), (4240, 66364), (4982, 56480), (5648, 49820), (7060, 39856), (7520, 37418), (8480, 33182), (9964, 28240), (11296, 24910), (12455, 22592), (14120, 19928), (15040, 18709), (16591, 16960)]