168857140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{839}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 368323200

約数和(自身を除く): 199466060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 580, 694, 839, 1388, 1678, 1735, 3356, 3470, 4195, 6940, 8390, 10063, 16780, 20126, 24331, 40252, 48662, 50315, 97324, 100630, 121655, 201260, 243310, 291133, 486620, 582266, 1164532, 1455665, 2911330, 5822660, 8442857, 16885714, 33771428, 42214285, 84428570, 168857140]

約数ペア:

[(1, 168857140), (2, 84428570), (4, 42214285), (5, 33771428), (10, 16885714), (20, 8442857), (29, 5822660), (58, 2911330), (116, 1455665), (145, 1164532), (290, 582266), (347, 486620), (580, 291133), (694, 243310), (839, 201260), (1388, 121655), (1678, 100630), (1735, 97324), (3356, 50315), (3470, 48662), (4195, 40252), (6940, 24331), (8390, 20126), (10063, 16780)]