334280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 770040

約数和(自身を除く): 435760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 137, 244, 274, 305, 488, 548, 610, 685, 1096, 1220, 1370, 2440, 2740, 5480, 8357, 16714, 33428, 41785, 66856, 83570, 167140, 334280]

約数ペア:

[(1, 334280), (2, 167140), (4, 83570), (5, 66856), (8, 41785), (10, 33428), (20, 16714), (40, 8357), (61, 5480), (122, 2740), (137, 2440), (244, 1370), (274, 1220), (305, 1096), (488, 685), (548, 610)]