1398889760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1601}}^1$

素因数の和:1786

約数の個数: 96

約数和(自身を含む): 3410491392

約数和(自身を除く): 2011601632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 127, 160, 172, 215, 254, 344, 430, 508, 635, 688, 860, 1016, 1270, 1376, 1601, 1720, 2032, 2540, 3202, 3440, 4064, 5080, 5461, 6404, 6880, 8005, 10160, 10922, 12808, 16010, 20320, 21844, 25616, 27305, 32020, 43688, 51232, 54610, 64040, 68843, 87376, 109220, 128080, 137686, 174752, 203327, 218440, 256160, 275372, 344215, 406654, 436880, 550744, 688430, 813308, 873760, 1016635, 1101488, 1376860, 1626616, 2033270, 2202976, 2753720, 3253232, 4066540, 5507440, 6506464, 8133080, 8743061, 11014880, 16266160, 17486122, 32532320, 34972244, 43715305, 69944488, 87430610, 139888976, 174861220, 279777952, 349722440, 699444880, 1398889760]

約数ペア:

[(1, 1398889760), (2, 699444880), (4, 349722440), (5, 279777952), (8, 174861220), (10, 139888976), (16, 87430610), (20, 69944488), (32, 43715305), (40, 34972244), (43, 32532320), (80, 17486122), (86, 16266160), (127, 11014880), (160, 8743061), (172, 8133080), (215, 6506464), (254, 5507440), (344, 4066540), (430, 3253232), (508, 2753720), (635, 2202976), (688, 2033270), (860, 1626616), (1016, 1376860), (1270, 1101488), (1376, 1016635), (1601, 873760), (1720, 813308), (2032, 688430), (2540, 550744), (3202, 436880), (3440, 406654), (4064, 344215), (5080, 275372), (5461, 256160), (6404, 218440), (6880, 203327), (8005, 174752), (10160, 137686), (10922, 128080), (12808, 109220), (16010, 87376), (20320, 68843), (21844, 64040), (25616, 54610), (27305, 51232), (32020, 43688)]