203789960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15971}}^1$

素因数の和:16022

約数の個数: 64

約数和(自身を含む): 517492800

約数和(自身を除く): 313702840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 15971, 31942, 63884, 79855, 127768, 159710, 175681, 319420, 351362, 463159, 638840, 702724, 878405, 926318, 1405448, 1756810, 1852636, 2315795, 3513620, 3705272, 4631590, 5094749, 7027240, 9263180, 10189498, 18526360, 20378996, 25473745, 40757992, 50947490, 101894980, 203789960]

約数ペア:

[(1, 203789960), (2, 101894980), (4, 50947490), (5, 40757992), (8, 25473745), (10, 20378996), (11, 18526360), (20, 10189498), (22, 9263180), (29, 7027240), (40, 5094749), (44, 4631590), (55, 3705272), (58, 3513620), (88, 2315795), (110, 1852636), (116, 1756810), (145, 1405448), (220, 926318), (232, 878405), (290, 702724), (319, 638840), (440, 463159), (580, 351362), (638, 319420), (1160, 175681), (1276, 159710), (1595, 127768), (2552, 79855), (3190, 63884), (6380, 31942), (12760, 15971)]