217660480

素因数分解:

$2^6\times 5^1\times {\mathrm{680189}}^1$

素因数の和:680206

約数の個数: 28

約数和(自身を含む): 518304780

約数和(自身を除く): 300644300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 680189, 1360378, 2720756, 3400945, 5441512, 6801890, 10883024, 13603780, 21766048, 27207560, 43532096, 54415120, 108830240, 217660480]

約数ペア:

[(1, 217660480), (2, 108830240), (4, 54415120), (5, 43532096), (8, 27207560), (10, 21766048), (16, 13603780), (20, 10883024), (32, 6801890), (40, 5441512), (64, 3400945), (80, 2720756), (160, 1360378), (320, 680189)]