290319040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 112

約数和(自身を含む): 766047744

約数和(自身を除く): 475728704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 110, 134, 160, 176, 220, 268, 320, 335, 352, 440, 536, 670, 704, 737, 880, 1072, 1231, 1340, 1474, 1760, 2144, 2462, 2680, 2948, 3520, 3685, 4288, 4924, 5360, 5896, 6155, 7370, 9848, 10720, 11792, 12310, 13541, 14740, 19696, 21440, 23584, 24620, 27082, 29480, 39392, 47168, 49240, 54164, 58960, 67705, 78784, 82477, 98480, 108328, 117920, 135410, 164954, 196960, 216656, 235840, 270820, 329908, 393920, 412385, 433312, 541640, 659816, 824770, 866624, 907247, 1083280, 1319632, 1649540, 1814494, 2166560, 2639264, 3299080, 3628988, 4333120, 4536235, 5278528, 6598160, 7257976, 9072470, 13196320, 14515952, 18144940, 26392640, 29031904, 36289880, 58063808, 72579760, 145159520, 290319040]

約数ペア:

[(1, 290319040), (2, 145159520), (4, 72579760), (5, 58063808), (8, 36289880), (10, 29031904), (11, 26392640), (16, 18144940), (20, 14515952), (22, 13196320), (32, 9072470), (40, 7257976), (44, 6598160), (55, 5278528), (64, 4536235), (67, 4333120), (80, 3628988), (88, 3299080), (110, 2639264), (134, 2166560), (160, 1814494), (176, 1649540), (220, 1319632), (268, 1083280), (320, 907247), (335, 866624), (352, 824770), (440, 659816), (536, 541640), (670, 433312), (704, 412385), (737, 393920), (880, 329908), (1072, 270820), (1231, 235840), (1340, 216656), (1474, 196960), (1760, 164954), (2144, 135410), (2462, 117920), (2680, 108328), (2948, 98480), (3520, 82477), (3685, 78784), (4288, 67705), (4924, 58960), (5360, 54164), (5896, 49240), (6155, 47168), (7370, 39392), (9848, 29480), (10720, 27082), (11792, 24620), (12310, 23584), (13541, 21440), (14740, 19696)]