237256840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{28111}}^1$

素因数の和:28333

約数の個数: 32

約数和(自身を含む): 536376960

約数和(自身を除く): 299120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 28111, 56222, 112444, 140555, 224888, 281110, 562220, 1124440, 5931421, 11862842, 23725684, 29657105, 47451368, 59314210, 118628420, 237256840]

約数ペア:

[(1, 237256840), (2, 118628420), (4, 59314210), (5, 47451368), (8, 29657105), (10, 23725684), (20, 11862842), (40, 5931421), (211, 1124440), (422, 562220), (844, 281110), (1055, 224888), (1688, 140555), (2110, 112444), (4220, 56222), (8440, 28111)]