216735280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{142589}}^1$

素因数の和:142621

約数の個数: 40

約数和(自身を含む): 530434800

約数和(自身を除く): 313699520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 142589, 285178, 570356, 712945, 1140712, 1425890, 2281424, 2709191, 2851780, 5418382, 5703560, 10836764, 11407120, 13545955, 21673528, 27091910, 43347056, 54183820, 108367640, 216735280]

約数ペア:

[(1, 216735280), (2, 108367640), (4, 54183820), (5, 43347056), (8, 27091910), (10, 21673528), (16, 13545955), (19, 11407120), (20, 10836764), (38, 5703560), (40, 5418382), (76, 2851780), (80, 2709191), (95, 2281424), (152, 1425890), (190, 1140712), (304, 712945), (380, 570356), (760, 285178), (1520, 142589)]