243676360

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{10937}}^1$

素因数の和:11505

約数の個数: 32

約数和(自身を含む): 549306360

約数和(自身を除く): 305630000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 10937, 11140, 21874, 22280, 43748, 54685, 87496, 109370, 218740, 437480, 6091909, 12183818, 24367636, 30459545, 48735272, 60919090, 121838180, 243676360]

約数ペア:

[(1, 243676360), (2, 121838180), (4, 60919090), (5, 48735272), (8, 30459545), (10, 24367636), (20, 12183818), (40, 6091909), (557, 437480), (1114, 218740), (2228, 109370), (2785, 87496), (4456, 54685), (5570, 43748), (10937, 22280), (11140, 21874)]