38808280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 109486080

約数和(自身を除く): 70677800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 263, 280, 310, 340, 434, 476, 526, 527, 595, 620, 680, 868, 952, 1052, 1054, 1085, 1190, 1240, 1315, 1736, 1841, 2104, 2108, 2170, 2380, 2630, 2635, 3682, 3689, 4216, 4340, 4471, 4760, 5260, 5270, 7364, 7378, 8153, 8680, 8942, 9205, 10520, 10540, 14728, 14756, 16306, 17884, 18410, 18445, 21080, 22355, 29512, 31297, 32612, 35768, 36820, 36890, 40765, 44710, 57071, 62594, 65224, 73640, 73780, 81530, 89420, 114142, 125188, 138601, 147560, 156485, 163060, 178840, 228284, 250376, 277202, 285355, 312970, 326120, 456568, 554404, 570710, 625940, 693005, 970207, 1108808, 1141420, 1251880, 1386010, 1940414, 2282840, 2772020, 3880828, 4851035, 5544040, 7761656, 9702070, 19404140, 38808280]

約数ペア:

[(1, 38808280), (2, 19404140), (4, 9702070), (5, 7761656), (7, 5544040), (8, 4851035), (10, 3880828), (14, 2772020), (17, 2282840), (20, 1940414), (28, 1386010), (31, 1251880), (34, 1141420), (35, 1108808), (40, 970207), (56, 693005), (62, 625940), (68, 570710), (70, 554404), (85, 456568), (119, 326120), (124, 312970), (136, 285355), (140, 277202), (155, 250376), (170, 228284), (217, 178840), (238, 163060), (248, 156485), (263, 147560), (280, 138601), (310, 125188), (340, 114142), (434, 89420), (476, 81530), (526, 73780), (527, 73640), (595, 65224), (620, 62594), (680, 57071), (868, 44710), (952, 40765), (1052, 36890), (1054, 36820), (1085, 35768), (1190, 32612), (1240, 31297), (1315, 29512), (1736, 22355), (1841, 21080), (2104, 18445), (2108, 18410), (2170, 17884), (2380, 16306), (2630, 14756), (2635, 14728), (3682, 10540), (3689, 10520), (4216, 9205), (4340, 8942), (4471, 8680), (4760, 8153), (5260, 7378), (5270, 7364)]